What it is
A nap reduces accumulated sleep pressure and may improve alertness. Longer or late naps can also make it harder to fall asleep during the next intended sleep period.
Evidence basis: Human clinical evidence
At a glance
What it is, why people use it, the evidence, and what to know before trying it.
Why people use it
- Rest
- Daytime alertness
Evidence at a glance
Naps can help alertness, but their effects depend on timing, duration and sleep needs. A reported athlete nap is not a universal recovery prescription and does not replace adequate main sleep.
Confidence: moderate
Practice safety
Situations where this practice may need modification or professional guidance.
Allow time for grogginess to pass before driving or hazardous tasks. Frequent unplanned naps or persistent sleepiness need assessment; long naps can worsen nighttime sleep difficulty.
Seen in protocols
Public protocols that include Daytime nap. Open one to see the full context and source.
Common use
Session and schedule patterns reported in public protocols; these are observations, not instructions. Private and hidden usage is excluded.
Typical session
- 30–60 minutes1 report · 100%
Schedule
- After lunch1 report · 100%
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