Free interactive tool

Sibling nap sync calculator

Find out when both of your children will nap at the exact same time so you can get a guaranteed afternoon break.

Younger child age

Older child age

Morning wake time (both kids)

How sibling nap syncing works

To achieve overlapping naps when managing two children under two, lock in your older toddler's afternoon nap time first. Then, adjust your infant's morning wake windows so their second or third nap aligns directly with the toddler's sleep schedule.

Want automated schedule adjustments?

Track dynamic nap times live in the free Sibling Stack app.

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