{"id":1595,"date":"2026-06-09T11:20:19","date_gmt":"2026-06-09T07:20:19","guid":{"rendered":"https:\/\/nutura.org\/?p=1595"},"modified":"2026-06-11T22:57:19","modified_gmt":"2026-06-11T18:57:19","slug":"the-4-month-sleep-regression","status":"publish","type":"post","link":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-4-month-sleep-regression\/","title":{"rendered":"The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1595\" class=\"elementor elementor-1595\" data-elementor-post-type=\"post\">\n\t\t\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-c7bf0da e-flex e-con-boxed e-con e-parent\" data-id=\"c7bf0da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-baaf4e5 elementor-widget elementor-widget-post-info\" data-id=\"baaf4e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-07bc68a elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-tags\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M497.941 225.941L286.059 14.059A48 48 0 0 0 252.118 0H48C21.49 0 0 21.49 0 48v204.118a48 48 0 0 0 14.059 33.941l211.882 211.882c18.744 18.745 49.136 18.746 67.882 0l204.118-204.118c18.745-18.745 18.745-49.137 0-67.882zM112 160c-26.51 0-48-21.49-48-48s21.49-48 48-48 48 21.49 48 48-21.49 48-48 48zm513.941 133.823L421.823 497.941c-18.745 18.745-49.137 18.745-67.882 0l-.36-.36L527.64 323.522c16.999-16.999 26.36-39.6 26.36-63.64s-9.362-46.641-26.36-63.64L331.397 0h48.721a48 48 0 0 1 33.941 14.059l211.882 211.882c18.745 18.745 18.745 49.137 0 67.882z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/\" class=\"elementor-post-info__terms-list-item\">Sleep Regression<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-683c7c2 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/nutura.org\/fr\/2026\/06\/09\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-calendar\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>juin 9, 2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-acb9fd0 elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-book-open\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M542.22 32.05c-54.8 3.11-163.72 14.43-230.96 55.59-4.64 2.84-7.27 7.89-7.27 13.17v363.87c0 11.55 12.63 18.85 23.28 13.49 69.18-34.82 169.23-44.32 218.7-46.92 16.89-.89 30.02-14.43 30.02-30.66V62.75c.01-17.71-15.35-31.74-33.77-30.7zM264.73 87.64C197.5 46.48 88.58 35.17 33.78 32.05 15.36 31.01 0 45.04 0 62.75V400.6c0 16.24 13.13 29.78 30.02 30.66 49.49 2.6 149.59 12.11 218.77 46.95 10.62 5.35 23.21-1.94 23.21-13.46V100.63c0-5.29-2.62-10.14-7.27-12.99z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\t10mins read\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-814f7a8 elementor-inline-item\" itemprop=\"commentCount\">\n\t\t\t\t\t\t<a href=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-4-month-sleep-regression\/#respond\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-comment-dots\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M144 208c-17.7 0-32 14.3-32 32s14.3 32 32 32 32-14.3 32-32-14.3-32-32-32zm112 0c-17.7 0-32 14.3-32 32s14.3 32 32 32 32-14.3 32-32-14.3-32-32-32zm112 0c-17.7 0-32 14.3-32 32s14.3 32 32 32 32-14.3 32-32-14.3-32-32-32zM256 32C114.6 32 0 125.1 0 240c0 47.6 19.9 91.2 52.9 126.3C38 405.7 7 439.1 6.5 439.5c-6.6 7-8.4 17.2-4.6 26S14.4 480 24 480c61.5 0 110-25.7 139.1-46.3C192 442.8 223.2 448 256 448c141.4 0 256-93.1 256-208S397.4 32 256 32zm0 368c-26.7 0-53.1-4.1-78.4-12.1l-22.7-7.2-19.5 13.8c-14.3 10.1-33.9 21.4-57.5 29 7.3-12.1 14.4-25.7 19.9-40.2l10.6-28.1-20.6-21.8C69.7 314.1 48 282.2 48 240c0-88.2 93.3-160 208-160s208 71.8 208 160-93.3 160-208 160z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-comments\">\n\t\t\t\t\t\t\t\t\t\tAucun commentaire\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-ea92199 e-flex e-con-boxed e-con e-parent\" data-id=\"ea92199\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f2e89 elementor-widget elementor-widget-text-editor\" data-id=\"d9f2e89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">You were just starting to feel like you had figured something out.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Not perfect sleep as there is no perfect sleep in the first year, and anyone who tells you otherwise is either lying or has a very selective memory. But something. A rough pattern. A stretch of three or four hours that you had started to quietly, cautiously count on. A bedtime routine that seemed to be landing. A baby who, more nights than not, was settling.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">And then, somewhere around the end of month three or the beginning of month four, all of it disappeared.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Baby is waking every hour. Every forty-five minutes sometimes. The naps that were starting to consolidate have shrunk back to twenty minutes. Bedtime, which had actually been getting easier, is suddenly a forty-five-minute operation again. You are more exhausted than you were in the newborn days, which feels impossible, but the sleep deprivation in those days was somehow easier to bear because you expected it. You did not expect this one.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">You are sitting with your baby at 2am, 3am, 4am, wondering what you did wrong. Wondering if the routine you built caused this somehow. Wondering whether this is permanent. Wondering, if you are completely honest, whether you can keep doing this.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">I want to tell you what is happening. Because once you understand it, like really understand it, not just the label but the actual biology of it, something shifts. It does not make you less tired but it makes you less frightened, and less frightened is a meaningful improvement at 4am.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d5a7b4 elementor-widget elementor-widget-text-editor\" data-id=\"2d5a7b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">You were just starting to feel like you had figured something out.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Not perfect sleep as there is no perfect sleep in the first year, and anyone who tells you otherwise is either lying or has a very selective memory. But something. A rough pattern. A stretch of three or four hours that you had started to quietly, cautiously count on. A bedtime routine that seemed to be landing. A baby who, more nights than not, was settling.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">And then, somewhere around the end of month three or the beginning of month four, all of it disappeared.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Baby is waking every hour. Every forty-five minutes sometimes. The naps that were starting to consolidate have shrunk back to twenty minutes. Bedtime, which had actually been getting easier, is suddenly a forty-five-minute operation again. You are more exhausted than you were in the newborn days, which feels impossible, but the sleep deprivation in those days was somehow easier to bear because you expected it. You did not expect this one.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">You are sitting with your baby at 2am, 3am, 4am, wondering what you did wrong. Wondering if the routine you built caused this somehow. Wondering whether this is permanent. Wondering, if you are completely honest, whether you can keep doing this.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">I want to tell you what is happening. Because once you understand it, like really understand it, not just the label but the actual biology of it, something shifts. It does not make you less tired but it makes you less frightened, and less frightened is a meaningful improvement at 4am.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-4622793 e-flex e-con-boxed e-con e-parent\" data-id=\"4622793\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17e8c62 elementor-widget elementor-widget-heading\" data-id=\"17e8c62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">When does it start and how will you know<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-087c91a elementor-widget elementor-widget-text-editor\" data-id=\"087c91a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The four-month sleep regression typically occurs <strong>between three and five months of age<\/strong>, most commonly near four months. Every baby is different, some experience it as early as twelve weeks, and some barely seem affected at all. My baby girl was at 5.5 months and trust me, I still remember this specific night where everything changed.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The signs are specific enough that most parents recognise them immediately once they know what they are looking for.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The night waking is the most obvious as the baby who was sleeping three or four hour stretches suddenly waking every forty-five minutes to an hour, at times with a consistency that begins to feel mechanical. A new kind of tired arrives with this pattern because each waking is a full reset where you settle bavy, you lie back down, you are close to sleep, and then baby is awake again. It is the near-misses that break you rather than the total hours lost.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The naps collapse at the same time as the nights deteriorate. The forty-five-minute nap is the giveaway as your baby is waking at the end of exactly one sleep cycle, every nap, without fail. Baby is surfacing at the inter-cycle arousal and cannot bridge it in the day any more than they can at night. You spend twenty minutes settling them for twenty minutes of sleep, which is both exhausting and demoralising.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Alongside the sleep changes, you may notice an uptick in fussiness and clinginess that has nothing to do with sleep as your baby is also going through significant neurological development at this stage, becoming dramatically more alert and socially aware, and the stimulation of that can make them harder to settle even during the daytime.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Increased feeding at night is common too, partly because they are genuinely hungrier during a growth phase, and partly because the feed has become the settling tool baby calls for at every inter-cycle arousal. Both reasons are real. Neither means your supply is insufficient.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-d2c3036 e-flex e-con-boxed e-con e-parent\" data-id=\"d2c3036\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2669cad elementor-widget elementor-widget-heading\" data-id=\"2669cad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The question you are probably asking: did I cause this?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23a5c1a elementor-widget elementor-widget-text-editor\" data-id=\"23a5c1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">No.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">I want to be direct about this because it is the question most parents arrive at in the middle of this regression, and the answer deserves to be clear rather than hedged.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The four-month sleep regression is not caused by your feeding to sleep. It is not caused by your responding to your baby&#8217;s cries. It is not caused by contact naps or cosleeping or any of the other things that parenting culture sometimes implies are creating problems. <strong>It is caused by neurological maturation<\/strong>: the completely healthy, completely normal, completely inevitable maturing of your baby&#8217;s brain from newborn sleep architecture to something more adult-like.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">A baby&#8217;s sleep architecture significantly changes around three months, and that change happens on a developmental timeline that has nothing to do with what you did or did not do in the weeks before. Some babies who were never fed to sleep hit this regression just as hard as babies who were. Some babies who were exclusively contact-napped sail through it. The causation that parenting content often implies between early settling habits and regression severity is not supported by the research.<\/p><p>What is true and worth understanding, is that how a baby has learned to fall asleep does affect how they manage the inter-cycle arousals once the regression is underway. A baby who falls asleep at the breast will, on surfacing between cycles, look for the breast. A baby who falls asleep with rocking will look for rocking. This is not a moral failing or a bad habit. It is association, the same way you probably cannot sleep well in a room that is light and noisy because you associate sleep with darkness and quiet. The associations are normal. Whether they are creating a problem you want to change is a separate question; one that belongs to you, not to any parenting website.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-29e3a7f e-flex e-con-boxed e-con e-parent\" data-id=\"29e3a7f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7f8208 elementor-widget elementor-widget-heading\" data-id=\"a7f8208\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How long does it last<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c85e08 elementor-widget elementor-widget-text-editor\" data-id=\"3c85e08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Most babies improve within <strong>two to six weeks<\/strong>. That is the honest answer, and it is the range for a reason, it is genuinely variable.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">A four-month-old who is rocked to sleep and suddenly starts frequently waking during the night may continue to see this pattern until they learn to fall asleep independently at bedtime which could be a week, or months, depending on a variety of factors.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">What this means in practice: the regression itself (the acute, brutal phase of hourly waking and collapsed naps) typically settles within four to six weeks as your baby&#8217;s nervous system adjusts to its new sleep architecture. What may persist beyond that is the waking pattern that develops as a result of the regression, if the settling strategy you have been using involves significant parental input at every arousal.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Two to six weeks of difficult sleep is manageable. Especially once you understand that the end of it is not contingent on anything you need to fix, it is contingent on developmental consolidation that happens regardless.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-0b31727 e-flex e-con-boxed e-con e-parent\" data-id=\"0b31727\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cf42558 elementor-widget elementor-widget-heading\" data-id=\"cf42558\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What actually helps and what does not<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb65a89 elementor-widget elementor-widget-text-editor\" data-id=\"fb65a89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The goal during a regression is not to solve it. It is to survive it while preserving the conditions your baby will return to when it passes.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Keep the bedtime routine exactly as it is.<\/strong> The regression is not happening because of your routine. It is happening despite your routine. Abandoning the routine during a regression means your baby has to rebuild that predictable pathway to sleep once the regression passes, which extends the disruption. The bath, the feed, the song, the dimly lit room, whatever your sequence is, keep it. Consistency is the scaffolding that remains even when everything else feels uncertain.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Watch their wake windows.<\/strong> At four months, most babies manage approximately ninety minutes to two hours of wakefulness between sleeps before overtiredness sets in. Overtiredness is one of the most common things that makes a regression worse, because a cortisol-flooded, overstimulated baby is harder to settle and sleeps more lightly. Watching the clock loosely and watching their cues closely like the eye rub, the glaze, the sudden loss of interest in what was engaging their moments before and acting on those cues promptly reduces the overtiredness layer on top of the regression layer.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Offer the drowsy-but-awake opportunity at bedtime.<\/strong> This is not sleep training. It is a gentle experiment putting them down slightly before they are fully asleep and seeing whether they can complete the journey to sleep in their own sleep space. Some nights they will. Some nights they will not, and you pick baby up and try again another time. The point is to give baby the opportunity, not to insist on an outcome. If baby finds the beginning of that skill now, the inter-cycle arousals at night will be easier to bridge as the regression eases.<\/p><p><strong>Respond to the night wakings the way you can sustain.<\/strong> There is no version of this advice that tells you what that response should be. Some families find that a feeding-and-back-to-sleep approach at every waking is sustainable and they are fine to continue it. Some families find that the cumulative sleep loss is damaging their mental health and they want to begin thinking about gentle settling support. Both responses are valid. What is not true is that one response will end the regression faster than the other as the regression ends on its own developmental timeline. The settling approach affects your experience of it, not its duration.<\/p><p><strong>Accept help.<\/strong> Mauritius families often have extended family close by. The four-month regression is the moment to use that proximity deliberately rather than managing in isolation. Ask someone to take the baby for three hours in the morning so you can sleep. Ask your partner to do one night waking while you wear earplugs. Sleep deprivation at this level affects your mental health, your physical health, your relationship, and your ability to parent in the ways you want to. You are not less of a mother for needing to sleep. You are a human being with physiological requirements, and right now those requirements are not being met.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-3885fed e-flex e-con-boxed e-con e-parent\" data-id=\"3885fed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-082f59f elementor-widget elementor-widget-heading\" data-id=\"082f59f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What not to do: the things that make it harder<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9115477 elementor-widget elementor-widget-text-editor\" data-id=\"9115477\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Changing your approach every three nights is one of the most common mistakes parents make during regressions and the most understandable. When something is not working, the instinct is to try something else but inconsistency during an already-disrupted period makes settling harder, because your baby is relying on predictability more than ever and getting less of it. Choose an approach, give it five days, and then assess.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Comparing your baby to other babies is the other one. The Facebook group where someone announces their four-month-old slept through the regression and was perfectly settled by week two is not a benchmark. It is one baby&#8217;s experience, almost certainly missing significant context, and it has nothing useful to tell you about yours. Your baby&#8217;s regression is theirs. It will resolve on their timeline.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-0e804d8 e-flex e-con-boxed e-con e-parent\" data-id=\"0e804d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0fcc814 elementor-widget elementor-widget-heading\" data-id=\"0fcc814\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The thing worth holding onto at 4am<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dbc3a64 elementor-widget elementor-widget-text-editor\" data-id=\"dbc3a64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Your baby is not broken. Your parenting has not failed. The sleep that was working last month is not gone forever, it has evolved into something more complex, and the work now is helping them build the skills to navigate that complexity.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">These are predictable shifts in sleep patterns. They happen because of what is going right, not what is going wrong.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">The baby waking every forty-five minutes because their brain has permanently matured into a more sophisticated form of consciousness, that is a remarkable thing, when you are not too tired to see it that way. Their brain built new architecture. Sleep cycles that did not exist before now exist. The developmental leap that is disrupting your nights is the same one that is making their laugh properly for the first time, track your face across the room, reach for your finger with something approaching intention.<\/p><blockquote><p><em><strong>The nights are hard. They will get better. The regression is temporary. The development is permanent.<\/strong><\/em><\/p><\/blockquote><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">You are doing fine.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-7be29f9 e-flex e-con-boxed e-con e-parent\" data-id=\"7be29f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e3a466 elementor-widget elementor-widget-text-editor\" data-id=\"2e3a466\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"text-decoration: underline;\"><strong>Your Next Read:<\/strong><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c584681 elementor-pagination-type-bullets elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-loop-carousel\" data-id=\"c584681\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;template_id&quot;:&quot;1156&quot;,&quot;_skin&quot;:&quot;post&quot;,&quot;slides_to_show&quot;:&quot;3&quot;,&quot;slides_to_show_tablet&quot;:&quot;2&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;1&quot;,&quot;edit_handle_selector&quot;:&quot;.elementor-loop-container&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;arrows&quot;:&quot;yes&quot;,&quot;pagination&quot;:&quot;bullets&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"loop-carousel.post\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"swiper elementor-loop-container elementor-grid\" role=\"list\" dir=\"ltr\">\n\t\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t<style id=\"loop-1156\">.elementor-1156 .elementor-element.elementor-element-397559e1{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--gap:10px 10px;--row-gap:10px;--column-gap:10px;--border-radius:20px 20px 20px 20px;box-shadow:0px 4px 44px 0px rgba(0, 0, 0, 0.1);--padding-top:20px;--padding-bottom:55px;--padding-left:20px;--padding-right:20px;}.elementor-1156 .elementor-element.elementor-element-397559e1:not(.elementor-motion-effects-element-type-background), .elementor-1156 .elementor-element.elementor-element-397559e1 > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:#2F372F00;}.elementor-1156 .elementor-element.elementor-element-397559e1:hover{box-shadow:0px 2px 25px 0px rgba(0, 0, 0, 0.2);}.elementor-widget-theme-post-featured-image .widget-image-caption{color:var( --e-global-color-text );font-family:var( --e-global-typography-text-font-family ), Sans-serif;font-weight:var( --e-global-typography-text-font-weight );}.elementor-1156 .elementor-element.elementor-element-4cab9137 img{width:100%;max-width:100%;height:260px;object-fit:contain;object-position:center center;filter:brightness( 100% ) contrast( 100% ) saturate( 100% ) blur( 0px ) hue-rotate( 0deg );transition-duration:0.3s;border-radius:20px 20px 20px 20px;}.elementor-1156 .elementor-element.elementor-element-4cab9137:hover img{filter:brightness( 105% ) contrast( 100% ) saturate( 105% ) blur( 0px ) hue-rotate( 0deg );}.elementor-1156 .elementor-element.elementor-element-4cab9137{width:100%;max-width:100%;}.elementor-1156 .elementor-element.elementor-element-193e67d8{--display:flex;--flex-direction:row;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--align-items:center;--gap:14px 14px;--row-gap:14px;--column-gap:14px;--margin-top:15px;--margin-bottom:15px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-widget-heading .elementor-heading-title{font-family:var( --e-global-typography-primary-font-family ), Sans-serif;font-weight:var( --e-global-typography-primary-font-weight );color:var( --e-global-color-primary );}.elementor-1156 .elementor-element.elementor-element-2be6daa0 .elementor-heading-title{font-family:\"Inter\", Sans-serif;font-size:14px;font-weight:500;text-transform:uppercase;font-style:normal;text-decoration:none;line-height:1.7em;letter-spacing:-0.02em;word-spacing:0em;color:#181818;}.elementor-1156 .elementor-element.elementor-element-2be6daa0 > .elementor-widget-container{padding:3px 12px 2px 12px;background-color:#A3B7A1;border-radius:30px 30px 30px 30px;}.elementor-1156 .elementor-element.elementor-element-257069bf .elementor-heading-title{font-family:\"Questrial\", Sans-serif;font-size:12px;font-weight:600;text-transform:uppercase;font-style:normal;text-decoration:none;line-height:1.5em;letter-spacing:-0.01em;word-spacing:0em;color:#8D8D8D;}.elementor-1156 .elementor-element.elementor-element-257069bf > .elementor-widget-container{padding:6px 0px 6px 0px;}.elementor-widget-theme-post-title .elementor-heading-title{font-family:var( --e-global-typography-primary-font-family ), Sans-serif;font-weight:var( --e-global-typography-primary-font-weight );color:var( --e-global-color-primary );}.elementor-1156 .elementor-element.elementor-element-72d88055 .elementor-heading-title{font-family:\"DM Sans\", Sans-serif;font-size:22px;font-weight:500;text-transform:none;font-style:normal;text-decoration:none;line-height:1.2em;letter-spacing:-0.04em;word-spacing:0em;color:#181818;}@media(min-width:768px){.elementor-1156 .elementor-element.elementor-element-397559e1{--width:100%;}}@media(max-width:1024px){.elementor-1156 .elementor-element.elementor-element-4cab9137 img{height:200px;}.elementor-1156 .elementor-element.elementor-element-193e67d8{--justify-content:space-between;}.elementor-1156 .elementor-element.elementor-element-2be6daa0 .elementor-heading-title{line-height:2.3em;}}@media(max-width:767px){.elementor-1156 .elementor-element.elementor-element-4cab9137 img{height:168px;}.elementor-1156 .elementor-element.elementor-element-193e67d8{--justify-content:flex-start;}.elementor-1156 .elementor-element.elementor-element-2be6daa0 .elementor-heading-title{font-size:15px;line-height:2.1em;}.elementor-1156 .elementor-element.elementor-element-2be6daa0 > .elementor-widget-container{padding:1px 12px 1px 12px;}.elementor-1156 .elementor-element.elementor-element-257069bf .elementor-heading-title{font-size:17px;}.elementor-1156 .elementor-element.elementor-element-72d88055{text-align:start;}.elementor-1156 .elementor-element.elementor-element-72d88055 .elementor-heading-title{font-size:27px;}}<\/style>\t\t<div data-elementor-type=\"loop-item\" data-elementor-id=\"1156\" class=\"elementor elementor-1156 swiper-slide e-loop-item e-loop-item-2067 post-2067 post type-post status-publish format-standard has-post-thumbnail hentry category-sleep-regression\" data-elementor-post-type=\"elementor_library\" role=\"group\" aria-roledescription=\"slide\" data-custom-edit-handle=\"1\">\n\t\t\t<a data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-397559e1 e-con-full e-flex e-con e-parent\" data-id=\"397559e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\" href=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-12-month-sleep-regression\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cab9137 elementor-widget__width-inherit elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"4cab9137\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1072\" height=\"603\" src=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/12-month-sleep-regression-featured-image-e1781796539287.png\" class=\"attachment-full size-full wp-image-2078\" alt=\"\" srcset=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/12-month-sleep-regression-featured-image-e1781796539287.png 1072w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/12-month-sleep-regression-featured-image-e1781796539287-600x338.png 600w\" sizes=\"(max-width: 1072px) 100vw, 1072px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-193e67d8 e-con-full e-flex e-con e-child\" data-id=\"193e67d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2be6daa0 elementor-widget elementor-widget-heading\" data-id=\"2be6daa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><span>Sleep Regression<\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257069bf elementor-widget elementor-widget-heading\" data-id=\"257069bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">18 Juin 2026<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72d88055 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"72d88055\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The 12-Month Sleep Regression: Walking, Words, and Why Sleep Changed Again<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-elementor-type=\"loop-item\" data-elementor-id=\"1156\" class=\"elementor elementor-1156 swiper-slide e-loop-item e-loop-item-1969 post-1969 post type-post status-publish format-standard has-post-thumbnail hentry category-sleep-regression\" data-elementor-post-type=\"elementor_library\" role=\"group\" aria-roledescription=\"slide\" data-custom-edit-handle=\"1\">\n\t\t\t<a data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-397559e1 e-con-full e-flex e-con e-parent\" data-id=\"397559e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\" href=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-8-month-sleep-regression\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cab9137 elementor-widget__width-inherit elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"4cab9137\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"676\" src=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/8month-sleep-regression-featured-image-e1781718897857.png\" class=\"attachment-full size-full wp-image-2006\" alt=\"\" srcset=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/8month-sleep-regression-featured-image-e1781718897857.png 1200w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/8month-sleep-regression-featured-image-e1781718897857-600x338.png 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-193e67d8 e-con-full e-flex e-con e-child\" data-id=\"193e67d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2be6daa0 elementor-widget elementor-widget-heading\" data-id=\"2be6daa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><span>Sleep Regression<\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257069bf elementor-widget elementor-widget-heading\" data-id=\"257069bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">17 Juin 2026<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72d88055 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"72d88055\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The 8-Month Sleep Regression: Why Your Settled Baby Stopped Sleeping<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-elementor-type=\"loop-item\" data-elementor-id=\"1156\" class=\"elementor elementor-1156 swiper-slide e-loop-item e-loop-item-1595 post-1595 post type-post status-publish format-standard has-post-thumbnail hentry category-sleep-regression\" data-elementor-post-type=\"elementor_library\" role=\"group\" aria-roledescription=\"slide\" data-custom-edit-handle=\"1\">\n\t\t\t<a data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-397559e1 e-con-full e-flex e-con e-parent\" data-id=\"397559e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\" href=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-4-month-sleep-regression\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cab9137 elementor-widget__width-inherit elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"4cab9137\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image.png\" class=\"attachment-full size-full wp-image-1596\" alt=\"\" srcset=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image.png 1672w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image-600x338.png 600w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image-300x169.png 300w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image-1024x576.png 1024w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image-768x432.png 768w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image-1536x864.png 1536w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image-18x10.png 18w\" sizes=\"(max-width: 1672px) 100vw, 1672px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-193e67d8 e-con-full e-flex e-con e-child\" data-id=\"193e67d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2be6daa0 elementor-widget elementor-widget-heading\" data-id=\"2be6daa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><span>Sleep Regression<\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257069bf elementor-widget elementor-widget-heading\" data-id=\"257069bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">9 Juin 2026<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72d88055 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"72d88055\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-elementor-type=\"loop-item\" data-elementor-id=\"1156\" class=\"elementor elementor-1156 swiper-slide e-loop-item e-loop-item-1539 post-1539 post type-post status-publish format-standard has-post-thumbnail hentry category-sleep-regression\" data-elementor-post-type=\"elementor_library\" role=\"group\" aria-roledescription=\"slide\" data-custom-edit-handle=\"1\">\n\t\t\t<a data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-397559e1 e-con-full e-flex e-con e-parent\" data-id=\"397559e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\" href=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cab9137 elementor-widget__width-inherit elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"4cab9137\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"675\" src=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png\" class=\"attachment-full size-full wp-image-1550\" alt=\"\" srcset=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png 1600w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year-600x253.png 600w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year-300x127.png 300w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year-1024x432.png 1024w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year-768x324.png 768w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year-1536x648.png 1536w, https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year-18x8.png 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-193e67d8 e-con-full e-flex e-con e-child\" data-id=\"193e67d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2be6daa0 elementor-widget elementor-widget-heading\" data-id=\"2be6daa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><span>Sleep Regression<\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257069bf elementor-widget elementor-widget-heading\" data-id=\"257069bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">6 Juin 2026<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72d88055 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"72d88055\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Sleep Regressions in the First Year: The Full Timeline and What Each One Means<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Pr\u00e9c\u00e9dent\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Suivant\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-aos=\"fade-up\" class=\"hostinger-elementor-aos elementor-element elementor-element-a3c9351 e-flex e-con-boxed e-con e-parent\" data-id=\"a3c9351\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc2739f elementor-widget elementor-widget-text-editor\" data-id=\"bc2739f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><em>References: Sleep Foundation \u2014 4-Month Sleep Regression (updated July 2025). sleepfoundation.org. Medical News Today \u2014 Sleep Regression Stages. medicalnewstoday.com. Huckleberry \u2014 Navigate Sleep Regressions (updated March 2026). huckleberrycare.com. Gilchrist A. et al. (2025) \u2014 Maturation of infant sleep during the first six months: a mini-scoping review. Frontiers in Neuroscience. Butler B. et al. (2024) \u2014 Association between infant sleep and cognitive and psychomotor development: a systematic review. Sleep.<\/em><\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><em>Disclaimer: This article is for informational purposes only and does not constitute medical advice. If you have concerns about your baby&#8217;s sleep, health, or development, contact your paediatrician. If sleep deprivation is significantly affecting your mental health, speak to your doctor. Maternal sleep deprivation is a health issue that deserves medical attention.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>You were just starting to feel like you had figured something out. Not perfect sleep as there is no perfect sleep in the first year, and anyone who tells you otherwise is either lying or has a very selective memory. But something. A rough pattern. A stretch of three or four hours that you had [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1596,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"class_list":["post-1595","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sleep-regression"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Aurelie\"\/>\n\t<meta name=\"p:domain_verify\" content=\"f82539afa063ee7e052623c7b9bbd08e\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Nutura | Pregnancy and Baby Advice - Trusted pregnancy and baby advice. Simple, expert-backed guidance from pregnancy to age 5.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Sleep Regressions in First Year: Full Timeline &amp; Meanings\" \/>\n\t\t<meta property=\"og:description\" content=\"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-06-06T04:37:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-06-18T15:33:00+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61578842877126\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Sleep Regressions in First Year: Full Timeline &amp; Meanings\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#blogposting\",\"name\":\"Sleep Regressions in First Year: Full Timeline & Meanings\",\"headline\":\"Sleep Regressions in the First Year: The Full Timeline and What Each One Means\",\"author\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/author\\\/adminexquisite-services-com\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/nutura.org\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/featured-image-sleep-regression-the-first-year.png\",\"width\":1600,\"height\":675},\"datePublished\":\"2026-06-06T08:37:10+04:00\",\"dateModified\":\"2026-06-18T19:33:00+04:00\",\"inLanguage\":\"fr-FR\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#webpage\"},\"articleSection\":\"Sleep Regression\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/nutura.org\\\/fr\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/#listItem\",\"name\":\"Baby\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/#listItem\",\"position\":2,\"name\":\"Baby\",\"item\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/#listItem\",\"name\":\"Baby Sleep\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/#listItem\",\"position\":3,\"name\":\"Baby Sleep\",\"item\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/sleep-regression\\\/#listItem\",\"name\":\"Sleep Regression\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/#listItem\",\"name\":\"Baby\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/sleep-regression\\\/#listItem\",\"position\":4,\"name\":\"Sleep Regression\",\"item\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/sleep-regression\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/the-4-month-sleep-regression\\\/#listItem\",\"name\":\"The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/#listItem\",\"name\":\"Baby Sleep\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/the-4-month-sleep-regression\\\/#listItem\",\"position\":5,\"name\":\"The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/category\\\/baby\\\/sleep\\\/sleep-regression\\\/#listItem\",\"name\":\"Sleep Regression\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/#organization\",\"name\":\"Nutura | Pregnancy and Baby Advice\",\"description\":\"Trusted pregnancy and baby advice. Simple, expert-backed guidance from pregnancy to age 5.\",\"url\":\"https:\\\/\\\/nutura.org\\\/fr\\\/\",\"email\":\"admin@nutura.org\",\"telephone\":\"+23058376747\",\"foundingDate\":\"2025-05-19\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/nutura.org\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/nutura_logo_transparent.png\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#organizationLogo\",\"width\":2048,\"height\":2048},\"image\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61578842877126\",\"https:\\\/\\\/www.instagram.com\\\/nutura_org\\\/\",\"https:\\\/\\\/www.tiktok.com\\\/@nuturacare.moris\",\"https:\\\/\\\/www.pinterest.com\\\/NuturaCare\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/author\\\/adminexquisite-services-com\\\/#author\",\"url\":\"https:\\\/\\\/nutura.org\\\/fr\\\/author\\\/adminexquisite-services-com\\\/\",\"name\":\"Aurelie\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b9c85b2ffb69832f8eaf9324080700ad6d8ca5cf12e3a37c9c2cbd12998426b2?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"Aurelie\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#webpage\",\"url\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/\",\"name\":\"Sleep Regressions in First Year: Full Timeline & Meanings\",\"description\":\"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.\",\"inLanguage\":\"fr-FR\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/author\\\/adminexquisite-services-com\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/author\\\/adminexquisite-services-com\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/nutura.org\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/featured-image-sleep-regression-the-first-year.png\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#mainImage\",\"width\":1600,\"height\":675},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/baby\\\/sleep\\\/sleep-regression\\\/sleep-regressions-first-year-timeline\\\/#mainImage\"},\"datePublished\":\"2026-06-06T08:37:10+04:00\",\"dateModified\":\"2026-06-18T19:33:00+04:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/nutura.org\\\/fr\\\/\",\"name\":\"Nutura | Pregnancy and Baby Advice\",\"alternateName\":\"Nutura Care\",\"description\":\"Trusted pregnancy and baby advice. Simple, expert-backed guidance from pregnancy to age 5.\",\"inLanguage\":\"fr-FR\",\"publisher\":{\"@id\":\"https:\\\/\\\/nutura.org\\\/fr\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Sleep Regressions in First Year: Full Timeline & Meanings","description":"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.","canonical_url":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"p:domain_verify":"f82539afa063ee7e052623c7b9bbd08e","miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#blogposting","name":"Sleep Regressions in First Year: Full Timeline & Meanings","headline":"Sleep Regressions in the First Year: The Full Timeline and What Each One Means","author":{"@id":"https:\/\/nutura.org\/fr\/author\/adminexquisite-services-com\/#author"},"publisher":{"@id":"https:\/\/nutura.org\/fr\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png","width":1600,"height":675},"datePublished":"2026-06-06T08:37:10+04:00","dateModified":"2026-06-18T19:33:00+04:00","inLanguage":"fr-FR","mainEntityOfPage":{"@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#webpage"},"isPartOf":{"@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#webpage"},"articleSection":"Sleep Regression"},{"@type":"BreadcrumbList","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr#listItem","position":1,"name":"Home","item":"https:\/\/nutura.org\/fr","nextItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/#listItem","name":"Baby"}},{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/#listItem","position":2,"name":"Baby","item":"https:\/\/nutura.org\/fr\/category\/baby\/","nextItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/#listItem","name":"Baby Sleep"},"previousItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/#listItem","position":3,"name":"Baby Sleep","item":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/","nextItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/#listItem","name":"Sleep Regression"},"previousItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/#listItem","name":"Baby"}},{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/#listItem","position":4,"name":"Sleep Regression","item":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/","nextItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-4-month-sleep-regression\/#listItem","name":"The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It"},"previousItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/#listItem","name":"Baby Sleep"}},{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-4-month-sleep-regression\/#listItem","position":5,"name":"The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It","previousItem":{"@type":"ListItem","@id":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/#listItem","name":"Sleep Regression"}}]},{"@type":"Organization","@id":"https:\/\/nutura.org\/fr\/#organization","name":"Nutura | Pregnancy and Baby Advice","description":"Trusted pregnancy and baby advice. Simple, expert-backed guidance from pregnancy to age 5.","url":"https:\/\/nutura.org\/fr\/","email":"admin@nutura.org","telephone":"+23058376747","foundingDate":"2025-05-19","logo":{"@type":"ImageObject","url":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/03\/nutura_logo_transparent.png","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#organizationLogo","width":2048,"height":2048},"image":{"@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#organizationLogo"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61578842877126","https:\/\/www.instagram.com\/nutura_org\/","https:\/\/www.tiktok.com\/@nuturacare.moris","https:\/\/www.pinterest.com\/NuturaCare\/"]},{"@type":"Person","@id":"https:\/\/nutura.org\/fr\/author\/adminexquisite-services-com\/#author","url":"https:\/\/nutura.org\/fr\/author\/adminexquisite-services-com\/","name":"Aurelie","image":{"@type":"ImageObject","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/b9c85b2ffb69832f8eaf9324080700ad6d8ca5cf12e3a37c9c2cbd12998426b2?s=96&d=mm&r=g","width":96,"height":96,"caption":"Aurelie"}},{"@type":"WebPage","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#webpage","url":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/","name":"Sleep Regressions in First Year: Full Timeline & Meanings","description":"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.","inLanguage":"fr-FR","isPartOf":{"@id":"https:\/\/nutura.org\/fr\/#website"},"breadcrumb":{"@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#breadcrumblist"},"author":{"@id":"https:\/\/nutura.org\/fr\/author\/adminexquisite-services-com\/#author"},"creator":{"@id":"https:\/\/nutura.org\/fr\/author\/adminexquisite-services-com\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png","@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#mainImage","width":1600,"height":675},"primaryImageOfPage":{"@id":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/#mainImage"},"datePublished":"2026-06-06T08:37:10+04:00","dateModified":"2026-06-18T19:33:00+04:00"},{"@type":"WebSite","@id":"https:\/\/nutura.org\/fr\/#website","url":"https:\/\/nutura.org\/fr\/","name":"Nutura | Pregnancy and Baby Advice","alternateName":"Nutura Care","description":"Trusted pregnancy and baby advice. Simple, expert-backed guidance from pregnancy to age 5.","inLanguage":"fr-FR","publisher":{"@id":"https:\/\/nutura.org\/fr\/#organization"}}]},"og:locale":"fr_FR","og:site_name":"Nutura | Pregnancy and Baby Advice - Trusted pregnancy and baby advice. Simple, expert-backed guidance from pregnancy to age 5.","og:type":"article","og:title":"Sleep Regressions in First Year: Full Timeline &amp; Meanings","og:description":"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.","og:url":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/sleep-regressions-first-year-timeline\/","og:image":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png","og:image:secure_url":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png","og:image:width":"1600","og:image:height":"675","article:published_time":"2026-06-06T04:37:10+00:00","article:modified_time":"2026-06-18T15:33:00+00:00","article:publisher":"https:\/\/www.facebook.com\/profile.php?id=61578842877126","twitter:card":"summary_large_image","twitter:title":"Sleep Regressions in First Year: Full Timeline &amp; Meanings","twitter:description":"The complete guide to baby sleep regressions: 4 months, 8 months, 12 months and beyond. What causes them, how long they last and how to get through each one.","twitter:image":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/featured-image-sleep-regression-the-first-year.png"},"aioseo_meta_data":{"post_id":"1595","title":"The 4-Month Sleep Regression: How to Get Through It","description":"Your baby who was sleeping is suddenly waking every hour. Here is why the 4-month sleep regression happens, how long it lasts &amp; what actually helps.","keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"featured","og_image_url":"https:\/\/nutura.org\/wp-content\/uploads\/2026\/06\/4month-sleep-regression-featured-image.png","og_image_width":"1672","og_image_height":"941","og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":[],"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-06-09 07:20:21","updated":"2026-06-11 23:35:04","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/nutura.org\/fr\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/nutura.org\/fr\/category\/baby\/\" title=\"Baby\">Baby<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/\" title=\"Baby Sleep\">Baby Sleep<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/\" title=\"Sleep Regression\">Sleep Regression<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tThe 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/nutura.org\/fr"},{"label":"Baby","link":"https:\/\/nutura.org\/fr\/category\/baby\/"},{"label":"Baby Sleep","link":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/"},{"label":"Sleep Regression","link":"https:\/\/nutura.org\/fr\/category\/baby\/sleep\/sleep-regression\/"},{"label":"The 4-Month Sleep Regression: What Is Actually Happening and How to Get Through It","link":"https:\/\/nutura.org\/fr\/baby\/sleep\/sleep-regression\/the-4-month-sleep-regression\/"}],"_links":{"self":[{"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/posts\/1595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/comments?post=1595"}],"version-history":[{"count":13,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/posts\/1595\/revisions"}],"predecessor-version":[{"id":1802,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/posts\/1595\/revisions\/1802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/media\/1596"}],"wp:attachment":[{"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/media?parent=1595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/categories?post=1595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nutura.org\/fr\/wp-json\/wp\/v2\/tags?post=1595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}