How much melatonin should I take for a 7 hour flight?

But here's what one paper recommends based on multiple studies: For eastbound flights up to 9 hours long: Prepare before the flight: Take 5 mg of melatonin, wake up earlier, and get bright light exposure. Day of the flight: take 5 mg of melatonin at 6 p.m.



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What Are the Best—And Safest—Sleeping Pills for Flights?
  • Ambien. Ambien—the most powerful option on this list and the only one that requires a prescription—works as a sedative-hypnotic medication that slows your brain activity to make you feel very sleepy. ...
  • Tylenol PM. ...
  • Melatonin.


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Load up on podcasts. Listening to podcasts uses up less battery life than watching a movie, and they are often more distracting than music. You can get through an entire flight on podcasts alone.

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Take melatonin 20 to 30 minutes before sleep (for eastward travel, melatonin can also be taken en route, 30 minutes prior to the target bedtime at your destination. It doesn't need to be taken en route for westward travel).

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Taking a melatonin supplement when you first get on a flight— if traveling overnight—is a great way to ease yourself to sleep, so you wake up refreshed and rested when you land. However, this should only be done for flights longer than 6 hours, as this is how long it takes melatonin to leave your system.

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