20 Minute Timer

A free online 20-minute timer. Widely considered the optimal time for a deep power nap or a focused reading sprint.

20:00

Why use a 20-minute timer?

Twenty minutes is the sweet spot for maximizing alertness. NASA research has shown that a 20-minute nap is the perfect duration to improve cognitive performance without waking up groggy.

Popular use cases

The scientifically-backed 20-minute power nap.
A slightly shorter Pomodoro work sprint.
Baking cookies or roasting vegetables in the oven.

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