Bedtime Calculator™


How much sleep do you want? Use NSF's Bedtime Calculator to find out what time to go to bed or wake up for your sleep health.

How much sleep do you want?

I want to wake up at...


I want to go to bed at...


Try to go to bed at:

12:00 AM

Try to wake up at:

12:00 AM
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Go to the NSF Sleep Duration Recommendations for information on how much sleep you need.