If I sleep at 11:00 PM, when should I wake up?

Going to bed at 11:00 PM? Set your alarm for 6:45 AM (7.5 hours) or 5:15 AM (6 hours) to wake between sleep cycles.

Adjust for how you sleep
15 min

Most adults fall asleep in 10 to 20 minutes. If you wake up groggy even at the suggested times, try an 85 or 95 minute cycle for a week.

Alarm times after a 11:00 PM bedtime

Wake up atSleepHow it'll feel
3:45 AM3 cycles, 4.5 hRunning on fumes
5:15 AM4 cycles, 6 hOkay for one night
6:45 AM5 cycles, 7.5 hFresh, recommended
8:15 AM6 cycles, 9 hFully rested

Assumes you fall asleep about 15 minutes after lights out and that each cycle lasts 90 minutes.

About a 11 PM bedtime

11 PM is the reality for millions of Indian households, with dinner at 9 or 9:30 and the dishes done by 10:30.

The later the bedtime, the more it depends on a late start the next day. If your morning is fixed, move this bedtime earlier in 15 minute steps until you reach five full cycles.

Sleeping at 11:00 PM: common questions

If I sleep at 11:00 PM, when should I wake up?

Set your alarm for 6:45 AM to get five full cycles (7.5 hours), or 8:15 AM for six cycles (9 hours). If you need to be up earlier, 5:15 AM gives four cycles (6 hours).

How many hours of sleep do I get if I sleep at 11:00 PM and wake at 6:45 AM?

About 7.5 hours of actual sleep, assuming you take 15 minutes to fall asleep. That's five complete cycles, the sweet spot for most adults.