Sleep Calculator
Find the perfect bedtime or wake-up time to rise feeling refreshed and energized
What time do you want to wake up?
Recommended Bedtimes
To wake up refreshed at , you should go to sleep at one of these times:
Recommended Wake-up Times
If you go to sleep right now, you should try to wake up at one of these times:
How it works
The average person takes 15 minutes to fall asleep
A complete sleep cycle lasts about 90 minutes
A good night’s sleep consists of 4-6 complete sleep cycles
Waking up between cycles helps you feel more refreshed