Newborns need 14 to 17 hours of sleep per day, and that number gradually decreases as your baby grows. By 4 to 12 months, the recommended range drops to 12 to 16 hours, and toddlers ages 1 to 2 need 11 to 14 hours. All of these totals include naps.
Sleep Needs by Age
The American Academy of Sleep Medicine sets the guidelines most pediatricians follow. Here’s how the numbers break down over a 24-hour period, including daytime naps:
- Newborns (0 to 3 months): 14 to 17 hours
- Infants (4 to 12 months): 12 to 16 hours
- Toddlers (1 to 2 years): 11 to 14 hours
The National Sleep Foundation uses slightly different brackets but lands in a similar range, recommending 14 to 17 hours for newborns, 12 to 15 hours for infants, and 11 to 14 hours for toddlers. Both organizations stress that these are ranges, not targets. Some babies naturally fall on the lower end and are perfectly healthy. Others need more. What matters is that your baby is gaining weight, alert when awake, and not showing signs of chronic overtiredness.
How Newborn Sleep Actually Works
Those 14 to 17 hours don’t come in one long stretch. Newborns sleep and wake frequently throughout the day and night, often in short bursts. About half of a newborn’s total sleep time is spent in active (REM) sleep, which is lighter and more easily disrupted than deep sleep. That’s why your baby may twitch, make noises, or seem restless even while asleep.
Most newborns need 8 to 12 feedings per day, roughly every 2 to 3 hours. If your newborn has gone more than four hours without eating, you may need to wake them to feed. Once they’ve established a consistent pattern of weight gain and returned to their birth weight, it’s generally fine to let them sleep until they wake on their own.
Naps and How They Change
Between 3 and 6 months, most babies settle into a pattern of 2 to 3 naps per day, each lasting up to 2 hours. By 6 to 12 months, total daytime sleep typically falls to about 2 to 4 hours spread across fewer naps. Most babies drop to two naps during this period, and many transition to a single nap sometime after their first birthday.
Nap timing matters as much as nap length. Paying attention to your baby’s wake windows, the stretches of time they’re awake between naps, helps you put them down before they become overtired. Younger babies have shorter wake windows (sometimes just 45 minutes to an hour for newborns), while older infants can comfortably handle 2 to 3 hours of awake time.
Recognizing Overtiredness
When babies miss their sleep window, they don’t just get drowsy. Their bodies release stress hormones like cortisol and adrenaline, which can actually make them wired and harder to settle. An overtired baby often cries louder and more frantically than usual. Some babies sweat more when overtired because of elevated cortisol levels.
Early sleepy cues are easier to catch: yawning, rubbing eyes, pulling at ears, turning away from stimulation. If you’re seeing these signs, your baby is ready for sleep now, not in 20 minutes. Once the frantic crying and back-arching start, you’ve likely passed the ideal window and soothing will take longer.
Day-Night Confusion in Newborns
Many newborns have their days and nights reversed, sleeping for long stretches during the day and waking frequently at night. This is normal. Newborns haven’t developed a circadian rhythm yet, so they don’t distinguish between daytime and nighttime.
You can help the adjustment along by creating consistent contrast between day and night. During the day, let your baby nap in well-lit, normally noisy parts of the house. Don’t tiptoe around or darken rooms for daytime sleep. At night, do the opposite: keep interactions calm, quiet, and focused. Feed, burp, change, and soothe in a dark room using a soft voice. Over a few weeks, this contrast helps your baby’s internal clock develop.
Sleep Regressions
Just when you think you’ve figured out a rhythm, your baby may suddenly start waking more often or fighting sleep. These regressions are temporary disruptions tied to developmental changes, and the first major one typically hits around four months. At this age, your baby’s sleep architecture is maturing, shifting from newborn-style sleep patterns to more adult-like cycles. The transition is bumpy.
Later regressions often coincide with new physical milestones. Babies who are learning to roll over or pull themselves up sometimes want to stay awake and practice. Around 9 months, separation anxiety becomes a factor, making it harder for babies to settle without a parent nearby. Teething pain can also cause nighttime waking at various points. These phases typically last a few weeks and resolve on their own.
Teaching Your Baby to Sleep Independently
The AAP suggests that babies 4 months and older are developmentally ready to start learning independent sleep skills. The core principle is straightforward: put your baby down when they’re drowsy but still awake. This teaches them to fall asleep on their own rather than relying on being rocked, fed, or held to sleep every time.
When your baby wakes and cries during the night, it helps to pause before rushing in. Babies cycle between light and deep sleep, and brief waking between cycles is normal. Many babies will fuss for a minute or two and then resettle without help. Giving them the chance to do this is how they learn to connect sleep cycles independently. This doesn’t mean ignoring prolonged distress. It means recognizing that not every nighttime sound requires an immediate response.
Creating a Safe Sleep Space
The sleep surface matters as much as sleep duration. Your baby should sleep on a firm, flat mattress in a safety-approved crib, covered only by a fitted sheet. No pillows, blankets, bumper pads, or stuffed animals. Keep the room at a comfortable temperature and avoid overdressing your baby. Signs of overheating include sweating and a chest that feels hot to the touch.
Room sharing (keeping the crib in your bedroom) is recommended for at least the first six months. This makes nighttime feedings easier and lets you monitor your baby without bed sharing, which carries its own risks.