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SESK: Stuff Everyone Should Know · sesk.info/trav-jetlag-naps

If you are sleepy in the daytime from jet lag, how long should a nap be, per CDC?

Keep naps to 15 to 20 minutes.

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  1. About 3 hours
  2. No more than 15 to 20 minutes ✔
  3. Until you wake naturally

Why: Short naps take the edge off tiredness without wrecking sleep at night. Long naps can keep you awake after dark. Avoid alcohol and late caffeine too.

Huh, didn't know that: CDC says to stay in well-lit areas by day to help your body clock adjust.

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References

Answer: No more than 15 to 20 minutes. Short naps take the edge off tiredness without wrecking sleep at night. Long naps can keep you awake after dark. Avoid alcohol and late caffeine too.

  1. CDC Travelers' Health: Jet Lag wwwnc.cdc.gov/travel/page/jet-lag
    take short naps, no more than 15-20 minutes
    Checked 2026-10-10.

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