Other durations
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About a 1 minute alarm
A 1 minute nap is on the short side of a power nap. You stay in light sleep, so you wake without grogginess and it still takes the edge off an afternoon. Lie down as soon as you press the button; the 1 minute includes the time it takes to drift off.
The alarm is created as a one-time alarm at the exact clock time, so you can see it in the list above, rename it, or switch the sound. Keep this tab open with the volume up; on desktop it rings from a background tab, on a phone keep the page in the foreground and the screen stays on automatically.
Prefer a countdown?
If you want to watch the time tick down rather than set a clock time, use the 1 minute timer instead. Both ring with the same sounds.