Sleep Calculator: Find the Best Time to Sleep and Wake Up

Enter the time you want to wake up or go to bed and get the ideal times to fall asleep or set your alarm, so you wake up between sleep cycles instead of in the middle of one.

90 min SLEEP CYCLE

Your sleep works in rounds of about 90 minutes. You go through 4 to 6 rounds each night.

7.5–9h IDEAL SLEEP

That's 5 or 6 full rounds, what most adults need to wake up feeling rested.

90 min SLEEP CYCLE

Your sleep works in rounds of about 90 minutes. You go through 4 to 6 rounds each night.

7.5–9h IDEAL SLEEP

That's 5 or 6 full rounds, what most adults need to wake up feeling rested.

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Your glow up starts in your inbox. Subscribe to The Weekly Glow for expert-backed skincare routines, fitness plans that actually stick, clean recipes, gifts, and the mindset shifts that make it all click — delivered every week.

Subscribe now to stay updated with top news !

Your glow up starts in your inbox. Subscribe to The Weekly Glow for expert-backed skincare routines, fitness plans that actually stick, clean recipes, gifts, and the mindset shifts that make it all click — delivered every week.