Sleep needs and wake windows for a 12-month-old — and the classic trap of confusing the 1-year regression with dropping to one nap. Template built from your wake-up time.
Sleep needs at 12 months
11–14 h
total per 24 hours
The time your baby usually starts the day — the whole schedule is built from it.
Template day
Built from mid-range wake windows and typical nap lengths for this age. Shift each block by ±15–30 min to match your baby — the structure matters more than the exact times.
General reference ranges from the National Sleep Foundation and AAP consensus — not medical advice. Every baby is different.
The single most common mistake at one year: a toddler starts fighting the morning nap, and parents conclude it is time for one nap. At 12 months it almost never is. Most one-year-olds still need 2 naps — the true 2-to-1 transition typically lands at 14–18 months. What you are usually seeing is the 12-month sleep regression, not a nap-drop signal.
The 1-year regression rides a wave of development: first steps, first words, and often molars breaking through all at once. That excitement and discomfort spill into a temporarily fought morning nap and rougher nights. Drop to one nap in response and you get an overtired toddler, a too-early single nap, and early-morning wakings within a week.
The fix is to hold two naps and wait out the regression (usually 1–2 weeks). If the morning nap is genuinely resisting, protect it by nudging the first wake window slightly longer rather than cutting the nap. Only when the pattern of fighting a nap persists for 2+ weeks past 13–14 months should you start a real transition.
Fighting the morning nap at 12 months is usually the 1-year regression, not readiness for one nap. Most one-year-olds still need 2 naps.
The template below deliberately keeps 2 naps and builds the day from the wake-up time using about 3–3.5-hour wake windows — the schedule most 12-month-olds actually need, even mid-regression.
If the morning nap is short or skipped during the regression, treat it as a one-off: cap the afternoon nap and bring bedtime forward, then offer both naps again the next day.
Sleep totals and age bands follow published recommendations; the month-by-month nap counts and wake windows reflect the ranges used across pediatric sleep consulting. Wake windows themselves are not an official AAP or WHO metric — treat everything here as a well-tested starting point, not a rule.
General reference ranges, not medical advice — every baby is different. This page doesn't cover safe-sleep practices or sleep problems; for those, and for anything that worries you, talk to your pediatrician or family doctor.
Doudou logs every nap and night in two taps and shows how long your baby has actually been awake — so you can tune this schedule to your baby, not the other way around. Synced between both parents.
The generic generator — pick any age from newborn to 3 years.
The full 0–36 month wake-window chart and next-nap calculator.
Schedule, wake windows and what's developmentally changing.
Schedule, wake windows and what's developmentally changing.
Wake windows chart by age (0–36 months) plus a next-nap calculator.
Personalized dates for growth spurts, sleep regressions and nap transitions, from your baby's birth date.
Chronological vs corrected age for premature babies, from birth and due dates.