What time do you want to wake up?
If you want to go to bed now...
The average human takes 15 minutes to fall asleep.
To wake up refreshed at 6:30 AM, you need go to sleep at one of the following times:
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.