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4 Month Old Sleep Schedule

Last updated .
最后更新于 2024 年 2 月 20 日。

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Article by:

Cara Dumaplin 杜马普林路

RN, BSN, Certified Pediatric Sleep Consultant

Learn more 了解更多信息
4 month old smiling at camera while doing tummy time

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You and your baby have learned so much together in the last 4 months. And there are so many more fun things in store for the both of you! Let me share with you common questions I get from parents about four month old sleep schedules, wake windows, and milestones.
在过去的 4 个月里,您和您的宝宝一起学到了很多东西。还有更多有趣的事情等着你们俩!让我与您分享我从父母那里得到的关于四个月前的睡眠时间表、唤醒窗口和里程碑的常见问题。

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Worried about the 4-month sleep regression? My eBook Navigating Months 3&4 will give you the tools you need to help your baby learn to fall asleep independently, reduce night wakings, and work towards longer stretches of sleep. (Navigating Months 3 & 4 can be purchased separately or as part of my First Five Months Bundle.)
担心 4 个月的睡眠倒退?我的电子书导航第 3 个月和第 4 个月将为您提供所需的工具,帮助您的宝宝学会独立入睡、减少夜间醒来并努力延长睡眠时间。(导航第 3 个月和第 4 个月可以单独购买,也可以作为我的前五个月捆绑包的一部分购买。

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4 Month Sleep Schedule Guidelinesanchor
4 个月睡眠时间表指南#

Every baby is unique and your little one’s day will depend on when your baby wakes, how long your baby naps, and individual cues. During these early months, it’s okay and to be expected that naps will vary quite a bit each day. These age-appropriate guidelines are not intended to be a rigid schedule, simply a guide for setting up a flexible routine. 

Daytime Feedings: Every 2-3 hours

Goal Daytime Sleep: 3.5-4.5 hours

Sweet Spot Bedtime: 7:00-8:00 pm or 8:00-10:00 pm depending on your baby
甜蜜点就寝时间:晚上 7:00-8:00 或晚上 8:00-10:00,具体取决于您的宝宝

Number of Naps: 3-5

Wake Windows: 90-120 minutes
唤醒窗口:90-120 分钟

For more details on these recommendations, keep reading. 

What is a sample sleep and feeding schedule for a 4 month old? anchor
4 个月大的睡眠和喂养时间表样本是什么?#

Here is a sample schedule for four month olds:

4 Month Old Sample Sleep Schedule
Text version of 4 Month Old Sample Schedule table
4 个月前的示例计划表的文本版本
Time 时间 Activity 活动
7:00 am  上午7:00 Wake and feeding 唤醒和喂食
8:30-9:45 am  上午8:30-9:45 Nap 1 第1天
9:50 am  上午9:50 Feeding 喂养
11:20 am -12:40 pm
上午11:20 -下午12:40
Nap 2 第2天
12:45 pm 下午12:45 Feeding 喂养
2:20-3:30 pm 下午2:20-3:30 Nap 3  第3天
3:40 pm 下午3:40 Feeding 喂养
5:20-5:50 pm  下午5:20-5:50 Cat Nap 猫咪午睡
7:00 pm 晚上 7:00 Feeding 喂养
7:45 pm  7:45 下午 Bedtime 就寝时间
10:00 pm 晚上 10:00 Optional Dream Feed 可选的 Dream Feed

Just remember, this is an example schedule for your four month old, so don’t try to follow it to the minute. As always, we need to stay flexible and follow our babies’ unique cues and wake windows for feeding times and naps.

What are wake windows for a 4 month old? anchor
什么是 4 个月大的唤醒窗?#

A four month old’s wake window ranges from 90 to 120 minutes. We typically see these wake windows start shorter in the morning and get longer as the day goes on.
四个月大的醒来窗口从 90 到 120 分钟不等。我们通常会看到这些唤醒窗口在早上开始变短,并随着时间的流逝而变长。

Likewise, as babies get older, those wake windows will need to expand. At 17 weeks, not all babies will be ready for wake windows that last the full 120 minutes, even at the end of the day. On the other hand, at 21 weeks, a 90 minute wake window will be too short, even first thing in the morning.
同样,随着婴儿年龄的增长,这些唤醒窗口将需要扩大。在 17 周时,并非所有婴儿都能准备好持续整整 120 分钟的唤醒窗口,即使在一天结束时也是如此。另一方面,在 21 周时,90 分钟的醒来窗口太短了,即使是早上的第一件事。

Continue to watch your baby to help determine the best wake windows within this age-specific range. At around four months old, we really start to balance sleepy cues with the time on the clock to ensure we're setting our babies up for sleep success.

What are 4 month old milestones? anchor
什么是 4 个月前的里程碑?#

Milestones are exciting moments for parents, and your four month old may have a few new ones to show you this month! Just keep in mind that milestones are based on age ranges, and every baby is unique. Speak with your pediatrician if you’re concerned about your baby not meeting milestones.

At four months old, here are some possible milestones you’ll see:

  • Your baby may now intentionally open and close their hands.

  • Your baby may put objects in their mouth now that hand-eye coordination is improving.

  • Your baby may roll from belly to back and start working on back-to-belly rolling!

  • Your baby may be able to sit with support, showing off their new core strength!

  • Your baby continues to coo and babble in response to interaction.

What are some activities for a 4 month old? anchor

At four months old, your baby is noticing more and more around them! Your baby is becoming a little explorer wanting to understand their world. Any activities that give your four month old a chance to explore their environment are great at this age. 

Here are a few activities you can try:

  • Read books and sing with your baby during tummy time.

  • Use a playmat or play gym for tummy time and practicing rolling (Playmats are also great for promoting independent play.)

  • Give your baby toys that are safe to explore with their mouth.

  • Give your baby crinkle books with high-contrast colors and patterns.

  • Use a mirror to look in and make faces with your baby.

I also have some favorite toys for your four month old here.

How long should a 4 month old nap? anchor

Naps can still be inconsistent at four months old and can range from 20 to 120 minutes. We do want to cap any one nap at 2 hours. (Yes, that means you may need to wake your baby.) Keeping any single nap at no more than 2 hours allows enough time in the day for your baby to get those good daytime calories and ensures they're not getting too much daytime sleep. At four months, we also want to keep total daytime sleep under about 4.5 hours. 

How many naps is best for a 4 month old? anchor

Typically, four month olds average about 4 naps a day, but taking 3-5 naps per day is normal, depending on the length of the naps. Short naps can still be common at this age. So if your baby is consistently taking short naps, your baby may need 5 naps.

As your baby approaches five months old, we do want to begin to aim for 3 naps a day by gently expanding wake windows and working on more solidified naps.

How much should a 4 month old sleep? anchor

Our goal at four months old is about 3.5-4.5 hours of daytime sleep and 10-12 hours of night sleep. As we think about how much sleep your baby should have at this age, you’ll want to remember that:

  • No nap should go longer than 2 hours.

  • Wake windows should be around 90 to 120 minutes.

  • Your baby’s night shouldn’t last longer than 12-12.5 hours.

When is bedtime for a 4 month old? anchor

I wish I had a universal answer for you. Here's what I know: By five months old, our goal bedtime is between 7:00 and 8:00 pm. Many four month olds do best with that 7:00 to 8:00 pm bedtime. However, some babies do hold on to a later bedtime just a bit longer. So please know, if your baby is thriving with a bedtime between 8:00 and 10:00 pm, there's no need to change anything yet.

Keep in mind that if your baby is struggling with false start bedtimes, night wakings, or early morning wakings, it might be time to consider shifting bedtime to the 7 to 8 pm range.

When should the last nap be for a 4 month old?anchor

If you're aiming for a 7:00 to 8:00 pm bedtime, we want the last nap to end between 5 and 6 pm. Ultimately, we’ll need 110-120 minutes of awake time before bed to make sure your baby is ready for sleep. Let that be your guide in determining when to start and end that last nap of the day. (See the schedule above for an example of how this might play out in a typical day.)

Is there a 4 month old sleep regression? anchor

Yes! Around four months old, there is a major change in sleep cycles that can disrupt sleep. We often refer to this change as the four month sleep regression. You may discover with these big changes what worked for your baby before doesn’t work now. Read my blog on the four month sleep regression to learn how to navigate it.

What do I do if my 4 month old needs a pacifier to sleep?anchor

Pacifiers are a tool that can be helpful for baby sleep. If you’re using a pacifier and it’s not disrupting your baby’s sleep, there is no need to worry.

If you’re finding your baby is frequently waking because of their pacifier, my Navigating Months 3 & 4 guide can help you by decreasing the need for your baby’s pacifier during the night. You can also read this blog about pacifiers and baby sleep for more tips.

Should I swaddle my 4 month old? anchor

Swaddling all depends on your baby’s skills at four months old. The American Academy of Pediatrics says babies can remain swaddled until they show signs of rolling. If your baby is showing signs they’re ready to roll, it’s time to transition out of the swaddle.

One product that can help with the transition is Merlin’s Magic Sleep Suit (use code CARA15 for 15% off). 

Can a 4 month old sleep on their stomach? anchor

For the first 12 months, we are always going to lay a baby on their back to sleep. However, if your baby can roll independently from their back to their belly, most pediatricians say tummy sleep is safe. Talk with your pediatrician if you have any questions or concerns.

Please keep in mind that it’s never safe for a swaddled baby to sleep on their stomach.

Why is my 4 month old baby fighting sleep? anchor

When a baby is overtired or undertired, it may be difficult for them to fall asleep and/or stay asleep. Following age-appropriate wake windows and maintaining a consistent bedtime routine can help prevent your four month old from fighting sleep. 

Sleep may also be disrupted or difficult when your baby is experiencing a new milestone or going through the four month sleep regression!

How do I sleep train my 4 month old? anchor

I recommend waiting until your baby is five months old to begin formal sleep training. At four months old, babies just aren’t developmentally ready. Why? Melatonin is still regulating, sleep cycles are still shifting, and so much new learning is happening in your baby's brain. This 4 month sleep regression makes sleep training much more difficult. In fact, those who attempt sleep training at 4 months, often experience more crying and less success.

When do babies start sleeping through the night? anchor

Every baby is unique, so there is no specific age when babies start sleeping through the night. But, at four months old, some babies can sleep 10-12 hours with no wakings or feedings. 

However, it is very normal for babies at four months to still need one feeding at night. For some babies, the dream feed is a good fit, while others may need a feeding a little later in the night. If you want more help working toward longer night stretches, I'm here for you. Start by reading more about the 4 month sleep regression to figure out which resource is developmentally appropriate for your baby.

Wherever you are on your baby’s sleep journey, I want to give you the tools to thrive!anchor

I have lots of classes, tools, and resources to help your baby become a great little sleeper. Read my blogs on the 4 Month Sleep Regression and Which Class Should I Take? to understand where your baby is developmentally and what resources will work best for you and your family. 

Still have a 3 month old? Read my 3 month old sleep and feeding schedule. Already have a 5 month old? I've got you covered with my 5 month sleep schedules.

Are you ready to have a great little sleeper?

If you're overwhelmed, exhausted, or just not sure where to start. I was there too. Let me show you everything you need to confidently handle sleep so your whole family can thrive!

Select your child's age to get started:

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