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Set an alarm for 11:59 PM

Current time

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Keep this tab open and your volume on. Allow notifications to get an alert even when the tab is in the background.

Wake me up at 11:59 PM: when to go to bed

Sleep runs in cycles of about 90 minutes, and it takes around 15 minutes to fall asleep. Going to bed at one of these times lets you wake between cycles.

Go to bed atSleepCycles
2:44 PM9 hours6
4:14 PM7.5 hours5
5:44 PM6 hours4
7:14 PM4.5 hours3

Some facts about 11:59 PM

12-hour clock11:59 PM
24-hour clock23:59
Military time2359
Part of the dayEvening
Minutes after midnight1,439
Share of the day gone99.9%
Time left until midnight0 h 1 min

Questions about 11:59 PM

How do I set an alarm for 11:59 PM?

Press Set alarm. The page rings at 11:59 PM in your time zone while the tab stays open with the sound on.

What time should I go to bed to wake up at 11:59 PM?

Go to bed at 2:44 PM for six sleep cycles (9 hours) or at 4:14 PM for five cycles (7.5 hours). Both times allow 15 minutes to fall asleep.

Will the alarm ring if my computer goes to sleep?

No. Your browser pauses the page while the computer sleeps. Keep the device awake and plugged in, or set your phone alarm as a backup.

Common alarms

Useful alarms