Your Guide to the 3-Month-Old Sleep Schedule: Naps & Wake Windows

By

Tassia O'Callaghan

Oct 28 2021

·

6 min read

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Medically reviewed by Alicia Dyshon,

Infant & Toddler Sleep Specialist

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Wow, those three months have flown by!

Or maybe they’ve dragged on endlessly.

Either way, your baby is officially out of “newborn” territory, and things are changing.

Getting a handle on a 3-month-old schedule might be top of your to-do list now, but that can be easier said than done.

Let’s remember, every baby is different, and at this age, phases don’t tend to last too long.

So whether you’re feeling easy breezy, or more like a caffeine-fuelled zombie, we’re here for you.

Let’s talk sleep schedules for 3-month-old babies and what you can expect from this weird and wonderful chapter of mama life.

In this article: 📝

How to get a 3-month-old on a new sleep schedule

Wake times for 3-month-old babies

How much sleep does a 3-month-old need?

3-month-old nap schedule

How long should a 3-month-old sleep at night?

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3 month old sleep arrangements

I feel like this is probably a stupid question but is it safe to leave your baby while they are napping at this stage? My 15 week old currently has a travel cot downstairs for daytime naps (outgrew his moses basket) and a next to me crib for night time sleep but I'm so scared of SIDS and won't leave the room at all when he's napping or sleeping so I'm basically stuck downstairs all day. Does anyone know if it's safe to leave him napping while I potter around upstairs or in another room? TIA x

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Can we ditch the expectation that babies should be sleeping through the night at 3-4 months old?

It is BIOLOGICALLY NORMAL for babies to wake during the night throughout the first year and even beyond. Society puts such a huge amount of pressure on the idea that our babies “should” be sleeping through by a certain age but this is NOT realistic.

I see a lot of mums on here saying “All I read is that peoples babies are sleeping through, why isn’t mine?!” … but this is only because people want to share when their babies sleep through because it’s seen as “success”.

Some babies do sleep through at this age, and that is amazing if they do! But every baby is different and we can’t expect them all to behave in a certain way. Routines work for some babies, but 100 babies could follow the exact same nap schedule / wake windows but they wouldn’t all sleep the same at night. There is no “knack”.

Please, please be gentle with yourselves mamas. You are not doing anything wrong if your baby doesn’t sleep through the night. One day they they won’t need your comfort at night and they will sleep through eventually. Let’s let our babies be babies 💖🩵

To help people feel less alone - share what your baby’s night sleep is usually like, I’ll go first ⬇️

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How to get a 3-month-old on a new sleep schedule

Most experts agree that a 3-month-old baby is still too young to establish a schedule and it’s really better to just go with the flow for now until their brain development is a bit further along.

Maybe not what you were dying to hear, but trust us, it can be much more stressful trying to force a schedule on a baby who’s not ready.

What you can do now is set up some healthy sleep habits and establish a wind-down routine.

By having the same things happen every day, even if the timing is completely different from the day before, your baby can start recognizing that sleep is coming.

Making sure their sleep environment is quiet, dark, and cool, and that your baby is dressed appropriately, will encourage them to sleep for as long as possible.

A bedtime routine of [bath]9https://www.peanut-app.io/blog/babies-bathtime-intro), feed, story or song, and a cuddle introduces a certain amount of predictability that both you and your baby might love.

A shortened version can be used for nap times (which, interestingly enough, have been linked to memory development in babies).

At this age, you might be in the throes of cluster feeding, which can commonly happen in those witching hours of the late afternoon and evening.

It can be a real struggle, and the idea of a calm bedtime routine couldn’t be further from your reality.

But know that this, too, shall pass.

Your baby is doing what they need to do, and for now, following their lead is your best course of action.

On the other hand, you might find your baby is naturally falling into a kind of sleep rhythm without too much effort, and if that’s you, high five!

And yes, all your mama friends are probably jealous.

Wake times for 3-month-old babies

Wake times, or wake windows, will be between one to two hours for a 3-month-old — though this can change on the daily, or even throughout the day.

Your little one may only be able to face 60 minutes of activities and awake time in the mornings but happily keep their peepers open for closer to two hours come the afternoon.

As always, look out for their tired cues, which signal it’s time to start prepping for their next sleep.

At this age, crying or fussing can indicate they’re already overtired, so instead, watch for them rubbing their face or ears and having a blank expression or staring away from you.

How much sleep does a 3-month-old need?

Across 24 hours, a sleeping schedule for 3-month-old babies will probably include a total of 14-17 hours of sleep, with about 15 hours being “the norm” (if anything when it comes to babies can be called "normal").

This will often be broken down into around 10-12 hours of overnight sleep, and four to five hours of day sleep.

It's also worth bearing in mind that, at three months, you might start seeing the warning signs of fussiness and broken sleep, signaling their first "sleep regression", or, as gentle sleep consultant Alicia Dyshon prefers to call it, their first “developmental progression”.

Often called the "four-month sleep regression", it can make its presence known as early as 12 weeks — especially if your baby likes to be ahead of the game!

If it’s not the "regression", teething pain can cause some ups and downs in your 3-month-old schedule, or you might have a period of plain sailing.

3-month-old nap schedule

So how do we pack 4 to 5 hours of day sleep into naps for a 3-month-old sleep schedule?

This will probably vary day to day, but typically, 3-month-olds will take 3 to 5 naps, which may vary in length between 30 minutes and two hours each.

If your baby naturally seems to take longer naps, you might find their wake windows can be slightly longer between naps than babies who take more frequent but shorter naps.

In other words, if your baby regularly wakes after 45 minutes to an hour, their wake window may only stretch to one to 1.25 hours.

But if your baby wakes from a two-hour nap, they may be able to stay awake for two hours before their next sleep.

Simple! (said no mama ever.)

How long should a 3-month-old sleep at night?

Overnight sleep is a big focus of any sleep schedule.

Typically, a 3-month-old baby will probably sleep between 10 and 12 hours overnight, but unfortunately, we’re not talking about one long stretch of sleep at this point.

What time should a 3-month-old go to bed?

There’s no right or wrong when it comes to bedtime, but between 6pm and 8pm is common.

Keep in mind their pre-bedtime awake window, and start a wind-down bedtime routine about 30 minutes before you’d like them to be asleep.

How long should a 3-month-old sleep at night without eating?

You might be getting a longer stretch of overnight sleep at the start of the night of about 5 to 7 hours, but do you need to wake them to feed?

Not unless your doctor has advised you to.

Enjoy those zzz’s mama!

If baby is still waking to feed every 2-3 hours overnight, know that this is normal too.

Prioritizing full feeds throughout the day might help them stay fuller for longer overnight.

Is 7pm bedtime too early for 3-month-old?

Nope, absolutely not!

7 pm is an average bedtime for a 3-month-old, but don’t get too bogged down with exact timings right now.

It’s still super normal, and super common, for the “routine” to change with every passing day based on nap length and wake windows.

We hope this might help you get through these foggy days of life with a 3-month-old.

But remember that it’s OK if the idea of a sleep schedule seems out of reach.

There’s no doubt that baby sleep can be one of the most difficult things to navigate as a new mom.

If you’re struggling, why not reach out and chat with some other local Peanut mamas.

You might find some tips to help you along the way.

Next up: 4 months old!

Need better sleep routines?

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The expert sleep app that helps you discover your baby’s perfect sleep times.

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Peace of mind please

I shot up at 4am last night and had the urge to check my little boy who sleeps in a cot next to our bed.
For the first time he has rolled over and was sleeping on his stomach, my heart dropped.
I was so scared that I picked him up to make sure he was okay and he was just sound asleep…

What are we supposed to do if they roll over in their sleep?! He’s almost 6 months old and I’m prettified of him rolling and it being a different outcome if I don’t wake up..

Just need some peace of mind that this is
okay?

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Baby slept all night

Sorry, I just need to post this... my little boy is 12w5d and he slept through from 9:30-6am, woke for a feed and went back to sleep until 8:30!!! I can't believe it. I was obviously up every few hours checking on him and making sure he was ok, so I didn't get a full nights sleep 🤣 but I'm so pleased for him! 🎉🥳 (not a brag btw, I'm just so pleased and wanted to share)

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🥲

Do any mums who breastfeed and co-sleep — especially once baby doesn’t really need night feeds — ever let their baby cry for a bit in the pram to fall asleep, just so you can have a few minutes to yourself?
A friend suggested this to me, but honestly it breaks my heart. I tried it once and it did work, but I’m not sure I could do it all the time. She’s a childcare teacher and said with sleep training you sometimes let them cry for up to 30 minutes… but I don’t know how people do it.
She also mentioned that a lot of mums here on the Gold Coast, Australia do it during the day when their baby’s tired — letting them fall asleep in the pram so they can have a coffee or catch up with friends without having to rush home for a nap.
I just feel like it might not be good for their nervous system and it doesn’t sit right with me… but then again, I’m also a first-time mum.

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Car seat

This car seat says 0-14 months. We bought it when my baby was around 5/6 months when he grew out of the old one and the lady who sold it to us in smyths toy shop said it can be used up until 4 I believe but why does the sticker on it say 0-14 months then? Does anyone e else have this seat the joie 360 spin?

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Would you consider a baby not talking at the age of 1 a developmental delay?

Based off a recent post, someone said that a child that doesn’t speak at the age of 1 is developmentally delayed.

Do you agree?

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moving to cows milk

hi! my boy is one next week and changing to cows milk is really confusing me. he is fed to sleep sith formula three times a day, before his two naps and bedtime. how do i change to cows milk, especially if ideally the cows milk shouldn’t go in a bottle? i just so lost and quite dusted by the whole process. i have a munchkin miracle 360 cup and he can drink through a straw or open cup but before bed seems very disruptive to the routine

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