Bedtime calculator

Enter your child's age, this morning's wake time, and the time their last nap ended — get tonight's ideal bedtime instantly.

How old is your child?9 months

Newborn5 years

What time do they wake in the morning?

What time did their last nap end?

Tonight's bedtime window

6:00 PM — 6:30 PM

Ideal target: 6:00 PM

Schedule looks good

The wake window from nap end to bedtime is appropriate for 9 months. Aim for 6:00 PM–6:30 PM.

For 9 months

Bedtime: 18:00–19:30

Wake window: 2.5–3.5 hrs

Naps: 2 naps

Total sleep: 12–15 hrs

See full 9 months schedule →

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Methodology grounded in paediatric sleep research and evidence-based clinical practice. Schedule data, wake window recommendations, and regression timelines are derived from published guidelines including those of the American Academy of Sleep Medicine (AASM), the National Sleep Foundation, and paediatric sleep research published in peer-reviewed journals.

Read our full methodology →