Baby Sleep Calculator — Recommended Sleep by Age
Total Sleep Needed (24hrs)
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Nighttime Sleep
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Daytime Naps
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Recommended Bedtime
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Understanding Baby Sleep Needs
Sleep needs change dramatically in the first few years. Newborns need 14-17 hours, infants 12-15 hours, toddlers 11-14 hours, and preschoolers 10-13 hours. These totals include both nighttime sleep and daytime naps.
Nap transitions are key milestones: 4 naps to 3 around 4 months, 3 to 2 around 6-8 months, 2 to 1 around 12-18 months, and dropping the last nap between 3-5 years. Each transition may temporarily disrupt nighttime sleep.
Consistent bedtime routines (bath, book, song) help signal sleep time. The recommended bedtime for most babies and toddlers is between 6:30 PM and 8:00 PM. An overtired baby actually has more trouble falling and staying asleep.
Frequently Asked Questions
How much sleep does a 6-month-old need?
A 6-month-old needs about 14-15 hours of total sleep: 10-11 hours at night and 3-4 hours of daytime naps across 2-3 nap sessions.
When do babies drop to one nap?
Most babies transition to one nap between 12-18 months. Signs of readiness include fighting the second nap, taking longer to fall asleep, or the second nap pushing bedtime too late.
What time should a baby go to bed?
Most sleep experts recommend a bedtime between 6:30-8:00 PM for babies and toddlers. Earlier bedtimes (6:30-7:00 PM) often result in better sleep quality and longer total sleep.