What time should I wake up if I go to bed at 9:45 PM?
Set your alarm for 7:00 AM for 6 sleep cycles (9 h of sleep) or 5:30 AM for 5 cycles (7 h 30 min). Both include 15 minutes to fall asleep, so you wake up between cycles instead of in deep sleep.
I am going to bed at
Time to fall asleep
Set your alarm for one of these times
Going to bed at 9:45 PM. Includes 15 min to fall asleep.
- 7:00 AMBest
6 cycles · 9 h of sleep · Ideal for most adults.
- 5:30 AMGreat
5 cycles · 7 h 30 min of sleep · Enough rest for most adults.
- 4:00 AMOkay
4 cycles · 6 h of sleep · The minimum for a normal night.
- 2:30 AMShort
3 cycles · 4 h 30 min of sleep · Better than nothing. Plan to catch up.
- 1:00 AMVery short
2 cycles · 3 h of sleep · Only for a quick reset.
- 11:30 PMPower nap
1 cycle · 1 h 30 min of sleep · Emergency only.