Newborns sleep about 16 to 17 hours per day, but rarely more than 1 to 2 hours at a stretch. That total might sound like a lot, but because it’s broken into so many short bursts across the day and night, it often doesn’t feel that way to new parents. Understanding what’s normal for newborn sleep, and what to expect as the weeks go on, can help you worry less during those intense early months.
Total Sleep in the First Three Months
For the first few months of life, 16 to 17 hours of sleep in a 24-hour period is typical. Some babies fall on the lower end, closer to 14 or 15 hours, while others sleep a bit more. This range is wide because every baby is different, and day-to-day totals can vary too. One day your newborn might sleep 18 hours; the next, only 14. Both are generally fine as long as your baby is feeding well, gaining weight, and having regular wet and dirty diapers.
The reason newborns sleep so much comes down to brain development. About half of a newborn’s sleep is spent in REM sleep, the lighter, more active stage associated with rapid brain growth. You’ll notice this during naps: your baby’s eyelids may flutter, their breathing may be irregular, and their arms or legs might twitch. This is completely normal and a sign that their brain is doing important work.
Why They Wake So Often
Despite needing so many hours of sleep, newborns don’t stay asleep for long. Most sleep in stretches of just 1 to 2 hours because their tiny stomachs empty quickly, and they need to eat frequently. Their internal clock, the circadian rhythm that eventually helps distinguish day from night, hasn’t developed yet. So those short bursts of sleep happen around the clock with no real pattern.
By about 6 to 8 weeks, many babies start consolidating slightly longer stretches at night, though “longer” at this stage might mean 3 to 4 hours. True day-night organization typically emerges closer to 3 or 4 months. Until then, expect a pretty even split between daytime and nighttime sleep, roughly 8 hours during the day and 8 at night, broken into many short sessions.
Recognizing When Your Baby Is Tired
Newborns get tired surprisingly fast. Some are ready for sleep again after just 1 to 1.5 hours of being awake, while others can stay alert for 2 hours or more. Catching those early signs of tiredness and putting your baby down before they become overtired makes falling asleep much easier for them.
Common tired cues to watch for include:
- Yawning, the most obvious signal
- Staring into space or having difficulty focusing
- Fluttering eyelids or crossed eyes
- Pulling at ears
- Closing fists or making jerky arm and leg movements
- Frowning or looking worried
- Sucking on fingers, which can actually be a positive sign that your baby is trying to self-soothe
An overtired baby often becomes fussy, arches their back, and has a harder time settling down. If you notice the earlier, subtler cues, you can start winding things down before reaching that point.
Growth Spurts and Sleep Changes
Just when you think you’ve figured out your baby’s sleep patterns, a growth spurt can shake things up. Newborns commonly go through growth spurts around 1 to 3 weeks and again around 6 to 8 weeks, though the timing varies. During these periods, your baby may wake more frequently to eat, sometimes seeming hungry every hour. They may also sleep more than usual between feedings as their body directs energy toward growing.
These disruptions are temporary, typically lasting a few days to a week. If your baby has been sleeping fairly consistently and suddenly starts waking much more often, increased hunger from a growth spurt is one of the most common explanations. Once the spurt passes, sleep usually returns to whatever version of “normal” you had before.
Creating a Safe Sleep Environment
Because newborns spend so many hours asleep, where and how they sleep matters enormously. The American Academy of Pediatrics guidelines, supported by the CDC, are straightforward:
- Always on their back. Every sleep, whether a nap or nighttime, should be back-sleeping. This single practice has dramatically reduced the rate of sleep-related infant deaths.
- Firm, flat surface. Use a safety-approved crib or bassinet with a firm mattress and a fitted sheet. No inclined sleepers, swings, or car seats for routine sleep.
- Nothing else in the sleep area. No blankets, pillows, bumper pads, or stuffed animals. A bare crib is the safest crib.
- Room-sharing without bed-sharing. Keep your baby’s crib or bassinet in your room for at least the first 6 months. Sleeping in the same room makes nighttime feeding easier and has been shown to reduce risk, but sharing the same bed surface is not recommended.
- Avoid overheating. Dress your baby in one layer more than you’d wear comfortably. If their chest feels hot or they’re sweating, they’re too warm. Don’t cover their head.
Helping Your Newborn Sleep Better
You can’t train a newborn to sleep on a schedule, but you can lay the groundwork for healthier sleep habits. During the day, keep the environment bright and engage with your baby during awake windows. At night, keep lights dim, interactions quiet, and feedings calm. This contrast helps your baby’s developing brain start to associate darkness and quiet with longer sleep periods.
Swaddling can help some newborns sleep more soundly by reducing the startle reflex, that sudden arm-flinging motion that wakes them up. If you swaddle, make sure the wrap is snug around the arms but loose around the hips, and stop swaddling once your baby shows any signs of rolling over.
White noise can also be useful. The womb was a loud environment, roughly the volume of a vacuum cleaner, so complete silence can actually feel unfamiliar and less soothing to a newborn. A consistent sound machine set at a moderate volume can help them stay asleep through household noise and between sleep cycles.
Above all, try not to compare your baby’s sleep to anyone else’s. The 16-to-17-hour average is just that: an average. Some healthy newborns sleep less, some sleep more, and the distribution across the day shifts constantly in those first weeks. As long as your baby is eating well and growing, their sleep is almost certainly within a normal range.