Set an alarm for 1:00 AM

⏰ The alarm will ring at 1:00 AM — in 6 h 14 min
Alarm at 1:00 AM
⏰ 1:00 AM
6Hours
:
14Minutes
:
55Seconds
Friday, September 25, 2026

Set an alarm for another time

Best bedtimes to wake up at 1:00 AM

Go to bed atSleep cyclesSleep
3:45 PM69 h
5:15 PM57 h 30 min
6:45 PM46 h
8:15 PM34 h 30 min

Assumes about 15 minutes to fall asleep and sleep cycles of roughly 90 minutes. Cycle length varies from person to person, so treat these as estimates.

Snooze times after a 1:00 AM alarm

Snooze length1st2nd3rd
5 minutes1:05 AM1:10 AM1:15 AM
9 minutes1:09 AM1:18 AM1:27 AM
10 minutes1:10 AM1:20 AM1:30 AM

Nine minutes is the traditional snooze length on many alarm clocks.

About 1:00 AM

The 1 AM hour is deep in the night. Night-shift workers, bakers and flight crews are among the few people routinely awake.

Press “Start Alarm” and keep this tab open; press “Test Alarm” first to check the volume.

About 1:00 AM

12-hour clock1:00 AM
24-hour clock01:00
Military time0100
In wordsOne o'clock
Part of the dayNight

Questions about a 1:00 AM alarm

How do I set an alarm for 1:00 AM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 1:00 AM, which is 6 hours, 14 minutes from now.

What time should I go to bed to wake up at 1:00 AM?

For five full sleep cycles, go to bed around 5:15 PM; for six cycles, around 3:45 PM.