Sleep Calculator

If I want to wake up at...

  • 8
  • 9
  • 10
  • 11
  • 12
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 00
  • 05
  • 10
  • 15
  • 20
  • 25
  • 30
  • 35
  • 40
  • 45
  • 50
  • 55
  • 00
  • 05
  • 10
  • 15
  • 20
  • 25
  • 30
  • 35
  • 40
  • 45
  • 50
  • 55
  • 00
  • AM
  • PM

When should I go to bed?

If I go to sleep now...

When should I get up?

Wake up times

It takes the average human about 15 minutes to fall asleep.
If you go to sleep right now, you should try to wake up at one of the following times:

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.

Calculate again

Go to bed times

It takes the average human about 15 minutes to fall asleep.
To wake up refreshed at , you should go to bed at one of the following times:

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.

Calculate again