Sleep time calculator

Want to wake up feeling refreshed?
This tool helps you find the best time to go to bed. 

Just choose when you want to wake up — we’ll do the rest!

When do you want to wake up? 4:00 AM 4:15 AM 4:30 AM 4:45 AM 5:00 AM 5:15 AM 5:30 AM 5:45 AM 6:00 AM 6:15 AM 6:30 AM 6:45 AM 7:00 AM 7:15 AM 7:30 AM 7:45 AM 8:00 AM

How many hours of sleep you need? 5.0 hours 5.5 hours 6.0 hours 6.5 hours 7.0 hours 7.5 hours 8.0 hours 8.5 hours 9.0 hours 9.5 hours 10.0 hours

Calculate