Enter your baby's age in months and wake-up time to get a personalized Baby Sleep Schedule. Set your preferred nap length and the tool maps out nap windows, wake windows, and an ideal bedtime — all based on age-appropriate sleep science. Results update instantly as you adjust the inputs.
Recommended Bedtime
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Number of Naps
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Total Daytime Sleep
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Recommended Night Sleep
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Wake Window Between Naps
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Total Sleep (24 Hours)
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The calculator uses your baby's age in months to determine age-appropriate wake windows, number of naps, and total sleep needs. It then takes your baby's morning wake-up time and nap length to map out a full day schedule, including nap start times and an ideal bedtime.
Nap needs change rapidly in the first two years. Newborns (0–2 months) typically take 4–5 short naps. By 3–5 months most babies settle into 3–4 naps. From 6–8 months, 2–3 naps is typical, dropping to 2 naps around 6–9 months, then transitioning to 1 nap around 12–18 months. Most toddlers stop napping entirely between 2–3 years.
A wake window is the amount of awake time a baby can comfortably handle between sleep periods before becoming overtired. Wake windows increase as babies grow — newborns can only stay awake 45–60 minutes, while a 12-month-old may manage 3–4 hours. Keeping naps within the appropriate wake window helps prevent overtiredness and improves sleep quality.
Most babies do best with a bedtime between 7:00 PM and 8:30 PM. Bedtime should fall after the last wake window of the day. The exact time depends on your baby's morning wake-up time, number of naps taken, and their age. This calculator estimates the optimal bedtime based on all these factors.
Sleep guidelines are averages — every baby is different. Some babies naturally sleep more or less than recommended ranges. If your baby seems well-rested, is hitting developmental milestones, and is not excessively fussy, they may simply have individual sleep needs. Consult your pediatrician if you have concerns about sleep duration or quality.
Newborns (0–3 months) need 14–17 hours total. Infants (4–11 months) typically need 12–16 hours. Toddlers (1–2 years) need around 11–14 hours. These totals include both nighttime sleep and daytime naps combined.
Gently capping naps can help protect nighttime sleep and keep the schedule consistent. If a nap runs very long it may push bedtime too late, leading to overtiredness the next day. Most sleep experts suggest capping naps after the recommended nap length to maintain a predictable routine, but always follow your baby's individual cues.
Yes — enter 0 or 1 for the age field. However, newborn sleep is highly variable and demand-driven. Newborns feed and sleep around the clock with no consistent schedule for the first 6–8 weeks. Use the newborn results as very general guidance and prioritize feeding cues over clock-based schedules in the early weeks.