Set an alarm for 1:40
⏰ The alarm will ring at 1:40 AM — in 0 h 27 min
Set an alarm for another time
Best bedtimes to wake up at 1:40 AM
| Go to bed at | Sleep cycles | Sleep |
|---|---|---|
| 4:25 PM | 6 | 9 h |
| 5:55 PM | 5 | 7 h 30 min |
| 7:25 PM | 4 | 6 h |
| 8:55 PM | 3 | 4 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 1:40 AM alarm
| Snooze length | 1st | 2nd | 3rd |
|---|---|---|---|
| 5 minutes | 1:45 AM | 1:50 AM | 1:55 AM |
| 9 minutes | 1:49 AM | 1:58 AM | 2:07 AM |
| 10 minutes | 1:50 AM | 2:00 AM | 2:10 AM |
Nine minutes is the traditional snooze length on many alarm clocks.
About 1:40 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 1:40 AM
| 12-hour clock | 1:40 AM |
|---|---|
| 24-hour clock | 01:40 |
| Military time | 0140 |
| In words | Twenty minutes to two |
| Part of the day | Night |
Questions about a 1:40 alarm
How do I set an alarm for 1:40?
Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 1:40 AM, which is 27 minutes, 9 seconds from now.
What time should I go to bed to wake up at 1:40 AM?
For five full sleep cycles, go to bed around 5:55 PM; for six cycles, around 4:25 PM.