Try a brief nap, not a long reset
After a short night, a brief nap may help without the initial grogginess seen after a longer nap. Lying with your eyes shut was not the intervention.
When tired in the afternoon, try a short nap if you can fall asleep.
A 10-minute nap improved alertness promptly after sleep restriction; a 30-minute nap initially worsened performance.
Why consider it?
This laboratory study involved healthy young adults after restricted night sleep. The durations describe compared naps, not a quantified percentage improvement. Benefits varied by nap length and time after waking; the result is not a promise that every short rest restores performance.
Read the sources
Source grade B is reproduced from the original work. It does not establish suitability for everyone.
Original item: chapter 3, item 11 ↗Adaptation: Rewritten in English from the locked Chinese original; retained evidence grade and study limits. Effect sizes quoted from the cited source: estimates are kept in their original comparison and population; observational associations are not described as proven personal gains.
Make space for a practical habit.
Add this idea to your local checklist.