Sleep Calculator

Sleep Calculator

Sleep Calculator

Wake up refreshed between sleep cycles
What time do you want to wake up?
:
To wake up refreshed at 6:30 AM, you need to go to sleep at one of the following times:
9:00 PM 10:30 PM 12:00 AM 1:30 AM
⏱️ The average human takes 15 minutes to fall asleep.
If you wake up at one of these times, you’ll rise in between 90-minute sleep cycles. A good night’s sleep consists of 5-6 complete sleep cycles.
If you want to go to bed now…
10:30 PM
If you go to sleep right now, you should try to wake up at one of the following times:
6:00 AM 7:30 AM 9:00 AM 10:30 AM