Sleep Calculator

Bedtimes for every wake-up time

Pick your alarm time to see when to go to bed.

4:00 AM4:30 AM5:00 AM5:30 AM6:00 AM6:30 AM7:00 AM7:30 AM8:00 AM8:30 AM9:00 AM
Wake up atBed for 9 hBed for 7.5 hBed for 6 hBed for 4.5 h
4:00 AM6:45 PM8:15 PM9:45 PM11:15 PM
4:30 AM7:15 PM8:45 PM10:15 PM11:45 PM
5:00 AM7:45 PM9:15 PM10:45 PM12:15 AM
5:30 AM8:15 PM9:45 PM11:15 PM12:45 AM
6:00 AM8:45 PM10:15 PM11:45 PM1:15 AM
6:30 AM9:15 PM10:45 PM12:15 AM1:45 AM
7:00 AM9:45 PM11:15 PM12:45 AM2:15 AM
7:30 AM10:15 PM11:45 PM1:15 AM2:45 AM
8:00 AM10:45 PM12:15 AM1:45 AM3:15 AM
8:30 AM11:15 PM12:45 AM2:15 AM3:45 AM
9:00 AM11:45 PM1:15 AM2:45 AM4:15 AM

All bedtimes include 15 minutes to fall asleep. Your time isn't here? Use the bedtime calculator.