Nap Calculator

Choose a Nap That Fits Your Day

Select what you want from your nap and calculate an alarm time from when you expect to lie down.

Nap start time

Nap goal

Time to fall asleep

Your suggested alarm time will appear here.

Often enough to improve alertness with less risk of deep-sleep grogginess.

May include deeper sleep and can leave some people groggy immediately afterward.

Allows time for an approximate full cycle but can interfere with nighttime sleep when taken late.