Sleep
Twenty Minute Nap Cap
A twenty minute nap cap stays in light sleep for alertness without deep-sleep grogginess or bedtime delay—set a timer and skip late-afternoon slots.
A twenty minute nap cap keeps you in light sleep—enough to clear adenosine without entering deep slow-wave stages that cause grogginess or night-delay. Set a timer plus five minutes to fall asleep.
Coffee nap fans drink espresso before lying down so caffeine peaks at wake. Skip the cap if you deliberately need a full cycle nap and can protect eight hours at night.
Common questions
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Why twenty minutes specifically?
It usually avoids deep slow-wave entry that causes inertia and still reduces sleep pressure. Individual tolerance varies—log how you feel within ten minutes of waking.
Related terms
Put Twenty Minute Nap Cap into practice
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