Sleep Calculator

Waking up in the middle of a sleep cycle leaves you feeling tired. Use cycles to wake up refreshed.

I want to wake up at:

You should try to fall asleep at one of a following times:

09:46 PM

6 Cycles

9 Hours Sleep

11:16 PM

5 Cycles

7.5 Hours Sleep

12:46 AM

4 Cycles

6 Hours Sleep

02:16 AM

3 Cycles

4.5 Hours Sleep

Pro Tip: The average human takes 14 minutes to fall asleep. We've added this to your calculation automatically.

Find the best time to wake up or go to bed for a better sleep cycle.

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