Sleep calculator

What time do you want to wake up?

How long does it take you to fall asleep (in minutes)?:

The recommended bedtimes are based on typical sleep cycles that last approximately 90 minutes. Waking up in the middle of a sleep cycle can make you feel groggy and tired, whereas waking up between cycles can help you feel more refreshed. The calculator takes into account the time it takes for you to fall asleep and suggests bedtimes that should help you wake up between sleep cycles.

See what time you should wake up if you go to bed right now

How long does it take you to fall asleep (in minutes)?:

The wake-up time calculator takes into account the time it takes for you to fall asleep and suggests wake-up times that should help you wake up between sleep cycles.