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How Much Sleep Does a Baby Need? A Sleep Guide by Age
Back to Baby Sleep
It's a question every new parent asks (usually at 3am): how much sleep does my baby actually need? And is it normal that they sleep all day and party all night? Babies need a lot of sleep, but how much, and how it's spread across the day, changes fast in the first few years. Here's a simple guide to how much sleep babies and toddlers need at every age, plus the signs your little one might need a little more.
The short answer
The American Academy of Sleep Medicine (AASM), whose guidance is endorsed by the American Academy of Pediatrics, recommends 12 to 16 hours of sleep for babies aged 4 to 12 months and 11 to 14 hours for toddlers aged 1 to 2, including naps. There's no official target for newborns under 4 months, because normal newborn sleep varies so much, but many sleep somewhere around 14 to 17 hours a day.
How Much Sleep Does a Baby Need?
Babies need far more sleep than adults, because sleep is when a lot of their growing and developing happens. The American Academy of Sleep Medicine recommends these totals, including naps, in every 24 hours:
Newborn and Baby Sleep Chart by Age
Total sleep in 24 hours, including naps. These are ranges, not rules.
| Age | Total sleep | Typical naps |
|---|---|---|
| 0 to 3 months | Varies (often 14 to 17 hours) | Lots of short naps, spread across day and night |
| 4 to 12 months | 12 to 16 hours | 2 to 3 naps a day |
| 1 to 2 years | 11 to 14 hours | 1 nap a day |
| 3 to 5 years | 10 to 13 hours | May still have 1 nap |
Source: American Academy of Sleep Medicine, endorsed by the AAP. The AASM doesn't set a target under 4 months. Nap patterns are a general guide.
Ranges, Not Rules
Every baby is different. If your little one is happy, feeding well and growing, a little more or less sleep than the chart is usually nothing to worry about.
How Much Sleep Does a Newborn Need?
There's no official target for newborns under 4 months, because what's normal varies so much from baby to baby. Many newborns sleep somewhere around 14 to 17 hours a day, but it doesn't come in one neat block. Newborn sleep is spread across the day and night in short stretches, often 2 to 3 hours at a time, because those tiny tummies need filling often.
Their body clock also hasn't worked out the difference between day and night yet, which is why some newborns seem to save their liveliest moments for 2am. It does get better. For tips on building gentle rhythms in the early weeks, read our guide to creating a newborn sleep schedule.
How Much Sleep Does a 3 Month Old Need?
At 3 months, your baby is still in the newborn stage, where sleep varies a lot. From 4 months, the AASM recommends 12 to 16 hours a day, including naps. Around this age, many babies start to sleep for longer stretches at night and settle into a more predictable rhythm of naps during the day.
It's also around the time of the well-known 4-month sleep regression, when sleep can wobble for a little while as your baby's sleep cycles mature. And with rolling on the way, it's worth starting to plan your move from swaddle to arms-free sleep.
How Much Sleep Does a 6 Month Old Need?
A 6 month old needs 12 to 16 hours of sleep in 24 hours, including naps. Most babies this age have 2 to 3 naps a day and longer stretches of sleep overnight, and some will start to drop a night feed.
By now your baby is probably rolling, sitting with support and very interested in the world, which can make settling a little trickier. A consistent wind-down routine helps signal that it's time to rest.
Sleep support for every stage
How Much Sleep Does a Toddler Need?
Toddlers aged 1 to 2 need 11 to 14 hours of sleep in 24 hours, including naps, according to the AASM. Most toddlers have one daytime nap plus a full night's sleep, and consistent sleep and wake-up times help.
From 3 to 5 years, the recommendation is 10 to 13 hours, which may still include a nap. Many children drop their day nap somewhere between 3 and 5.
Signs Your Baby Isn't Getting Enough Sleep
An overtired baby can find it harder to fall asleep and stay asleep, which can turn into a tricky cycle. Look out for:
- Yawning, frowning or staring into space
- Rubbing their eyes or pulling at their ears
- Clenched fists or jerky movements
- Fussiness and crying that's hard to settle
- Short naps and more night waking
Catching these early tired signs and offering sleep straight away can make settling much easier. Our guide to responding to tired signs has more ideas.
Can Babies Sleep Too Much?
A baby who sleeps a lot is usually just a baby doing their job. But newborns need to feed often, usually every 2 to 3 hours, so very long stretches without feeding in the early weeks are worth keeping an eye on.
Talk to your pediatrician if your baby is very hard to wake, isn't interested in feeding, isn't having plenty of wet diapers or doesn't seem to be gaining weight. If your baby seems unwell, floppy or unusually drowsy, seek medical help straight away.
FAQs About How Much Sleep Babies Need
How many hours do newborns sleep?
There's no official target under 4 months because newborn sleep varies so much, but many newborns sleep around 14 to 17 hours a day, in short stretches across the day and night.
How much sleep does a 3 month old need?
Sleep still varies a lot at 3 months. From 4 months, the AASM recommends 12 to 16 hours in 24 hours, including naps.
How much sleep does a 6 month old need?
Babies aged 4 to 12 months need 12 to 16 hours of sleep in 24 hours, including naps, according to the AASM. Most 6 month olds have 2 to 3 naps a day.
How many naps does a baby need?
It changes with age. Newborns nap often, most babies have 2 to 3 naps from around 4 to 12 months, and toddlers usually have 1 nap a day.
How much sleep does a toddler need?
Toddlers aged 1 to 2 need 11 to 14 hours of sleep in 24 hours, including a nap, with consistent sleep and wake-up times.
Can a baby sleep too much?
Usually not, but newborns need to feed every 2 to 3 hours. If your baby is very hard to wake, not interested in feeding or seems unwell, talk to your pediatrician.
Key Takeaway
Newborn sleep varies a lot (often around 14 to 17 hours a day), babies from 4 to 12 months need 12 to 16 hours, and toddlers need 11 to 14 hours, all including naps. Every baby is different, so use these as a guide rather than a target, watch for tired signs, and keep sleep safe and consistent. Before you know it, those 3am parties will be a distant (and slightly blurry) memory.
Looking for more help with sleep at every stage? Explore the Love to Dream baby sleep blog.