How Much Should a 3-Month-Old Baby Sleep? (2024)

Your 3-month-old is constantly changing. Not only is he outgrowing diapers and onesies at a furious pace, but his sleep needs are evolving, too. At this age, you may be wondering if a sleep schedule can help your baby get the rest he needs.

Although it's unlikely that a 3-month-old will stick to a predictable schedule, you may start to notice patterns emerging, such as the number of naps your baby takes, how much time he spends sleeping and when he tends to wake up and falls asleep. Still, your child's daily routine will continue to vary this month.

Here's what parents should know about a 3-month-old's sleep schedule, plus how much sleep your baby needs now.

How much should a 3-month-old sleep?

Every baby is different, but a typical 3-month-old needs between 14 and 17 hours of sleep in a 24-hour period, including three to four naps totaling four to six hours. However, it's also normal for 3-month-olds to sleep a little more or less than that.

Your 3-month-old may sleep for longer stretches at night, possibly five hours (or even a bit more) at a time. Don't panic if your little one is up more frequently, though. Some babies still wake to eat every few hours at this stage.

Sample sleep schedule for a 3-month-old baby

The best sleep schedule for your 3-month-old ultimately depends on his needs. While your child's routine will probably still be unpredictable at 3 months, a typical day might look like this:

  • 7:00 a.m.: Awake
  • 8:30 a.m.: Nap
  • 9:30 a.m.: Awake
  • 11:00 a.m.: Nap
  • 12:00 p.m.: Awake
  • 1:30 p.m.: Nap
  • 3:00 p.m.: Awake
  • 4:30 p.m.: Nap
  • 5:30 p.m.: Awake
  • 6:30 p.m.: Bedtime routine
  • 7:00 p.m.: Bed

This sample schedule assumes your little one is awake for around 90 minutes at time and naps for about one-hour stretches throughout the day. However, keep in mind that babies at this age can stay awake for 60 to 90 minutes at a time, while naps can last between 30 minutes and two hours.

Can you sleep train a 3-month-old?

The term sleep training refers to different ways of teaching your baby to sleep through the night. If you're considering sleep training, keep in mind that many experts recommend waiting until your baby is 4 to 6 months old.

3-month-old sleep tips

Your baby is still too young to have regular sleep cycles at 3 months old. However, a few strategies can help teach him healthy sleep habits.

  • Play with your baby during the day. Although your 3-month-old will still spend much of the day napping, playing with him when he is awake will help him learn how to differentiate between day and night.
  • Stick to a routine. If you haven't already established a bedtime routine, now is a good time to do so. A calming, consistent end-of-day routine (think giving baby a bath, listening to music and reading a book) signals that it's time to sleep.
  • Observe your baby's sleep tendencies. Your baby may now have a preferred bedtime. To help him wind down, aim to start his routine 30 minutes or so before that time.
  • Try to put your baby to bed when he's drowsy. Placing your baby in his crib when he's drowsy but not yet asleep helps him learn how to drift off on his own.
  • Put your baby to sleep in the same place. Sometimes your baby will fall asleep on the go, but try to offer his crib for naps as much as possible.

3-month-old baby sleep problems

Sleep problems can happen even when parents do everything "right." These are a few of the more common ones you may encounter at this age:

  • Your baby won't go back to sleep. When you enter your baby's room to feed or change him during the night, keep the lights off and do your best not to stimulate him too much.
  • Your baby struggles to fall asleep on his own. Continue putting your baby to bed drowsy but awake. Holding or rocking him until he's asleep can make it harder for him to learn how to go back to sleep on his own if he wakes up during the night.
  • Your baby often fusses in the night. Wait a few minutes before you respond and see if he can go back to sleep on his own. If he doesn't, check on him, but don't pick him up or turn on the light. Continued fussing may be a sign that he's hungry, needs a diaper change or isn't feeling well.
  • Your baby doesn't want to go to bed. More frequent night wakings and trouble falling asleep might indicate a sleep regression. Although sleep regressions can happen at any time, the first regression often occurs between 3 and 4 months. Be diligent about your child's bedtime routine and make sure your little one has plenty of opportunities to nap during the day, since it's even harder to get an overtired baby to fall asleep at night.
  • Your baby wants constant nighttime feedings. At 3 months, your baby will probably still need to eat once or twice during the night. But three or four nighttime feedings usually aren't necessary at this age. Make sure your baby is getting plenty to eat during the day and maybe try a dream feed. (And don't put cereal or other solids in your little one's bottle. It won't help him sleep longer, and it's a choking risk.)
  • Teething pain is keeping your baby up. Some babies show signs of teething as early as 3 months. If you suspect that your baby is teething, stick to your bedtime routine and try to calm him when you go into his room at night by patting his back or singing him lullabies. You can also talk to your pediatrician about trying acetaminophen if he's really uncomfortable.

Bottom line? Don't worry if your 3-month-old isn't following a predictable sleep schedule just yet. Establishing healthy habits takes time, but these strategies will help set your baby (and you!) up for better sleep going forward.

More sleep schedules for babies:

  • 2-month-old sleep schedule
  • 4-month-old sleep schedule
  • 5-month-old sleep schedule
  • 6-month-old sleep schedule
  • 7-month-old sleep schedule
  • 8-month-old sleep schedule
  • 9-month-old sleep schedule
  • 10–12-month-old sleep schedule

From the What to Expect editorial team andHeidi Murkoff,author ofWhat to Expect When You're Expecting. What to Expect follows strict reporting guidelines and uses only credible sources, such as peer-reviewed studies, academic research institutions and highly respected health organizations. Learn how we keep our content accurate and up-to-date by reading ourmedical review and editorial policy.

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How Much Should a 3-Month-Old Baby Sleep? (2024)

FAQs

How Much Should a 3-Month-Old Baby Sleep? ›

How much should a 3-month-old sleep? Most 3-month-old infants should be getting a total of 14 to 17 hours of sleep in 24 hours . So, that means your little one should only be awake for 7 to 10 hours per 24-hour cycle. Of course, your 3-month-old isn't going to be awake for a full 8 hours at a time.

How much sleep is enough for 3 month old baby? ›

Q: How often do 3 month old babies sleep? A: Typically, most babies this age have a wake window of 60 - 120 minutes, meaning they may need to sleep after just an hour of awake time. Aim for at least 15 hours of sleep during a 24-hour period (between 3 and 5 naps a day).

How much day sleep should a 3 month old get? ›

Most babies at three months old do best with no more than 5 hours of total daytime sleep and 10-12 hours of night sleep. We want to remember: We aren't going to let any one nap go longer than 2 hours. You'll want to aim for wake windows around 75-110 minutes.

What is the 5 3 3 rule for babies? ›

The 5 3 3 rule is a sleep training method where you have your child sleep for 5 hours, then wake for 3 hours, then sleep for 3 hours again.

Is it okay for a 3 month old to sleep 10 hours? ›

Babies vary a lot in the amount of sleep they need. Between the age of 3 and 6 months, some babies have 2 or 3 longish sleeps during the day, while others just have short naps. A few sleep 12 hours at night without interruption, some manage 8 hours while many others wake fairly regularly for feeds.

Should my 3 month old still be sleeping a lot? ›

Because babies this age are more awake, alert, and aware of their surroundings during daylight hours, they're more likely to be tired at night and sleep. But the range of normal is still very wide. Infants up to 3 months old should get 14–17 hours of sleep over a 24-hour period, says the National Sleep Foundation.

What's a good bedtime for a 3 month old? ›

14-17 hours of total sleep is common and considered healthy at three months. Your baby might still be fussy in the evenings but more than likely you will soon see that settles down and they are ready for an earlier bedtime. A comfortable bedtime for a 3 month old will likely be somewhere between 6 and 8 pm.

How many ounces should a 3-month-old eat? ›

Breast milk feedings and amounts by age
AgeTime between feedingsOunces per feeding
1-3 Months3-4 hours3-4 ounces
3-6 months4-6 hours4-8 ounces
6-9 months4-6 hours6-8 ounces
9-12 months5-8 hours7-8 ounces
1 more row
Jul 28, 2022

How much should a 3-month-old weigh? ›

The average weight of a 3-month-old baby is between 11.5 and 12.9 pounds for girls and 12.5 and 14.1 pounds for boys; average length is approximately 23.5 inches for girls and 24.2 inches for boys. Whether baby's close to the average or not, the important thing is that they're growing at a healthy rate.

Should I wake a 3-month-old to feed? ›

Babies typically will need about 9-8 hours of sleep until they are 3 months old, and on average will sleep about 14.5 hours. Whether you should wake up your baby to eat depends on their age, weight, and health, so listen to your instincts. In general, the older the baby is, the less they will need to be woken up.

What is the 333 rule baby? ›

Remembering a “3-3-3-3” rule can help you determine if you have a colicky baby on your hands. Colicky babies are less than three months old, cry at least three hours at a time, three days a week for three consecutive weeks. Lindgren says, “Generally, colic occurs at a predictable time of day.

What is the 40 day rule baby? ›

In the Middle East, resting 40 days after having a baby is customary in Jordan, Lebanon, Egypt and Palestine. During this 40-day period, someone comes to the house or stays with the new mother to take care of the baby, the house and the other children, so that all new mothers have to do is rest.

What is the 3 3 3 rule newborn? ›

The most commonly accepted definition of colic, which originated in 1954,4 describes using the “rule of three”: crying for more than three hours per day, for more than three days per week, and for more than three weeks in an infant that is well-fed and otherwise healthy.

How to tell if baby is getting too much day sleep? ›

Having too many daytime sleep hours - this can lead to difficulties settling at bedtime, more overnight waking and early morning waking. Sleeping for too long at the morning nap - this can mean their lunch nap is consequently shorter, leading to over tiredness and difficulties settling at bedtime.

What is the awake window for a 3 month old? ›

75-120 minutes

How much tummy time at 3 months? ›

As your baby gets used to it, place your little one belly-down more often or for longer periods of time. Experts recommend that babies work up to about 1 hour of tummy time a day by the time they're 3 months old. Make some noises or shake a rattle to get your child to look up and push up.

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

Most babies are able to sleep through the night – or sleep for at least six hours without waking up to eat – sometime between 3 to 6 months of age. Healthy babies who are born full-term are generally able to sleep through the night without a feeding starting at 3 months of age or when they weigh 12 to 13 pounds.

Should I wake my 3 month old baby to feed? ›

Most pediatricians recommend that you wake up your baby if they are due for a daytime or nighttime feed. Babies shouldn't go without feeding for more than 4 hours. So while most of the time your baby will let you know when they are ready to eat, it's okay to wake them up if they snooze past the 4-hour mark.

Is 3 months too early to sleep train? ›

Can you sleep train a 3-month-old? Between the 3- and 4-month mark, babies can start sleep training. By 3 months, a baby's stomach has grown, which means they can stay seated for longer periods, and sleep longer as a result By 4 months, babies can likely go 8 to 12 hours without needing a feeding at night.

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