TL;DR: Newborns sleep about 14 to 17 hours a day in short 2 to 4 hour stretches, with no day-night rhythm at first. Wake windows are tiny, roughly 45 to 60 minutes in the first 6 weeks and 60 to 90 minutes from 6 to 12 weeks. Do not expect a fixed schedule yet; follow wake windows and sleepy cues. Most babies start stretching their longest night sleep to 4 to 6 hours sometime between 6 and 12 weeks.
If you came here hoping for a tidy hour-by-hour newborn sleep schedule, here is the honest truth first: newborns do not have one, and chasing a rigid timetable in the early weeks usually backfires. What they do have is a predictable amount of sleep and predictable wake windows. Once you work with those instead of the clock, the fog lifts. This guide walks through what to expect week by week from birth to 12 weeks.
How Much Do Newborns Sleep?
Across the first three months, newborns sleep about 14 to 17 hours in every 24, according to the American Academy of Pediatrics and the National Sleep Foundation. The catch is that this sleep is broken into short stretches and is spread evenly across day and night, because a newborn's circadian rhythm has not developed yet. They are not "sleeping through" anything; they are simply sleeping in pieces.
The two numbers worth memorizing are total daily sleep (stays high) and the wake window (the time your baby can comfortably stay awake between sleeps). Wake windows are the single most useful tool in the newborn period, far more useful than nap clocks. For a deeper dive, see our baby wake windows by age guide.
Newborn Sleep Schedule Week by Week
Here is a realistic stage-by-stage picture. Treat the ranges as typical, not as targets to hit exactly.
Weeks 0 to 2: The Sleepy Newborn
- Total sleep: about 16 to 17 hours
- Wake window: 30 to 60 minutes
- Longest night stretch: 2 to 3 hours
Your baby sleeps most of the day and barely tolerates being awake. Feeds drive the rhythm, every 2 to 3 hours around the clock. Wake your baby to feed at least every 3 hours in the day and 4 at night until they are back to birth weight. Day and night look identical to them.
Weeks 2 to 4: Still No Rhythm
- Total sleep: about 15 to 17 hours
- Wake window: 45 to 60 minutes
- Longest night stretch: 2 to 4 hours
Slightly more alert windows appear. A growth spurt around 3 weeks can bring extra night waking and cluster feeding. This is normal. Start laying a foundation for circadian rhythm: bright, active days and dark, quiet nights, even though it will not "work" yet.
Weeks 4 to 6: The Fussy Peak
- Total sleep: about 15 to 16 hours
- Wake window: 45 to 75 minutes
- Longest night stretch: 3 to 4 hours
Many babies are at their fussiest around 6 weeks, often with a daily evening "witching hour" of crying and cluster feeding. Frustrating, but developmentally normal and temporary. The first real social smiles also show up now, a welcome reward.
Weeks 6 to 8: First Signs of Consolidation
- Total sleep: about 14 to 16 hours
- Wake window: 60 to 90 minutes
- Longest night stretch: 4 to 5 hours
Circadian rhythm begins to switch on. You may notice a slightly longer first stretch of night sleep. Days and nights start to differentiate. Keep reinforcing the contrast: daylight and noise by day, darkness and calm by night.
Weeks 8 to 12: A Rhythm Emerges
- Total sleep: about 14 to 15 hours
- Wake window: 60 to 90 minutes
- Longest night stretch: 4 to 6 hours, sometimes longer
By the end of the third month many babies settle into a looser but recognizable pattern, with a longer night stretch and a handful of daytime naps. This is the doorway to the more structured schedules of months 4 and beyond.
Working With Wake Windows (Not the Clock)
The fastest way to avoid an overtired, hard-to-settle newborn is to put them down for sleep before they get overtired, which means watching the wake window and the sleepy cues rather than waiting for a nap o'clock.
Sleepy cues to catch early:
- Yawning, red or droopy eyelids, looking away or zoning out
- Slower movements, staring, losing interest in toys or faces
- Fussing or jerky movements (a late cue, meaning you have likely missed the window)
When you see early cues and the wake window is up, start winding down for sleep. Newborns who stay awake too long get a cortisol surge that makes them harder, not easier, to settle.
Keeping all of this in your head while sleep-deprived is genuinely hard. Nestling tracks each sleep and wake window and predicts the next one, so instead of guessing "has it been an hour?" you get a clear nudge when your baby is likely ready to sleep.
Safe Sleep: Non-Negotiables
No newborn sleep guide is complete without the safe-sleep basics from the AAP safe sleep recommendations:
- Back to sleep, every sleep. Always place your baby on their back.
- Bare crib. Firm, flat mattress with a fitted sheet only. No pillows, bumpers, blankets, or soft toys.
- Room-share, not bed-share, ideally for the first 6 months.
- No overheating. Use a sleep sack instead of loose blankets.
These reduce the risk of SIDS and are the one part of newborn sleep that is not flexible.
Common Newborn Sleep Questions
"My baby has day and night mixed up." Day-night reversal is normal and resolves by 8 to 12 weeks. Make days bright and engaging, and keep night feeds dark, quiet, and low-key.
"Should I sleep train a newborn?" No. Formal sleep training is not appropriate in the newborn period. The goal now is meeting needs and gently building good rhythms, not teaching independent sleep.
"My newborn only sleeps on me." Extremely common and developmentally normal in the fourth trimester. You can offer the bassinet for some sleeps, but contact napping at this age is not a habit you are "breaking" later.
The Bottom Line
A newborn sleep schedule is really a sleep rhythm, not a timetable. Expect 14 to 17 hours of broken sleep, lean on short wake windows and sleepy cues, protect safe sleep without exception, and trust that day-night confusion sorts itself out by around 12 weeks. The structured nap schedules come soon enough.
When you are ready for what comes next, read our guides on the 4 month sleep regression and the broader baby sleep regression ages, plus our newborn feeding schedule, since feeding and sleep are deeply connected in these first weeks.
Sources
- American Academy of Pediatrics, HealthyChildren.org, Sleep: https://www.healthychildren.org/English/ages-stages/baby/sleep/Pages/default.aspx
- American Academy of Pediatrics, A Parent's Guide to Safe Sleep: https://www.healthychildren.org/English/ages-stages/baby/sleep/Pages/A-Parents-Guide-to-Safe-Sleep.aspx
- National Sleep Foundation, How Many Hours of Sleep Do You Really Need: https://www.thensf.org/how-many-hours-of-sleep-do-you-really-need/
Frequently Asked Questions
How many hours should a newborn sleep?
Newborns sleep about 14 to 17 hours per 24 hours, spread across day and night in short stretches of 2 to 4 hours. Total sleep stays high through the first 3 months; what changes is that more of it gradually consolidates into the night.
What are newborn wake windows by week?
Wake windows are very short in the newborn period: about 45 to 60 minutes from 0 to 6 weeks, and roughly 60 to 90 minutes from 6 to 12 weeks. Watching wake windows rather than forcing nap times is the best way to avoid an overtired baby.
When do newborns start sleeping longer at night?
Many babies begin to stretch their longest night sleep to 4 to 6 hours somewhere between 6 and 12 weeks, often once they are back above birth weight and feeding well. There is wide normal variation, and some babies take longer.
Why is my newborn awake all night?
Newborns are born with day and night reversed because their circadian rhythm is not yet developed. This usually sorts itself out by 8 to 12 weeks. You can help by keeping days bright and stimulating and nights dark, quiet, and boring.
Should newborns nap on a schedule?
No. In the first 12 weeks, follow wake windows and sleepy cues rather than a clock-based nap schedule. A predictable schedule typically emerges naturally around 3 to 4 months as sleep consolidates.
Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Every baby is different, and what works for one may not work for another. Always consult your pediatrician or a qualified healthcare provider with any questions regarding your child's health or development.