Baby & child sleep calculator
Enter your child's age in months to get published pediatric sleep-guideline ranges for total sleep and naps — from newborn to age 12.
How sleep needs change through childhood
Sleep needs drop steadily from infancy to the school years, and the way that sleep is distributed changes just as much as the total amount. Newborns sleep in short stretches around the clock because their circadian rhythm hasn't developed yet. By the first birthday, most sleep consolidates into a longer nighttime stretch plus one or two daytime naps, and by school age most children no longer need a nap at all. Every child is a little different, and these ranges are meant as a general reference, not a strict target.
Frequently asked questions
What if my child sleeps less than the recommended range?
Occasional short nights aren't necessarily a problem, but a child who is consistently well below the range, seems very tired during the day, or has trouble falling or staying asleep may benefit from a pediatrician's input.
When should naps stop completely?
There's no fixed age — many children drop their last nap somewhere between 3 and 5 years old, though some continue benefiting from a short rest even later.
Does screen time before bed affect young children too?
Yes — bright screens close to bedtime can delay sleep onset in children just as in adults, so many pediatric sleep guidelines recommend a screen-free wind-down before bed.
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