How long can jet lag last?

How long jet lag lasts will depend on several factors. These include how far you traveled, your body's unique rhythms and your overall health. Many people who experience jet lag feel better a few days after arriving to their destination. For some people, it can take up to one week to feel fully back to themselves.



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Jet lag symptoms usually occur within a day or two after traveling across at least two time zones. Symptoms are likely to be worse or last longer the farther you travel. This is especially true if you fly east. It usually takes about a day to recover for each time zone crossed.

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How long jet lag lasts will depend on several factors. These include how far you traveled, your body's unique rhythms and your overall health. Many people who experience jet lag feel better a few days after arriving to their destination. For some people, it can take up to one week to feel fully back to themselves.

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A few basic steps may help prevent jet lag or reduce its effects:
  • Arrive early. ...
  • Get plenty of rest before your trip. ...
  • Gradually adjust your schedule before you leave. ...
  • Properly time bright light exposure. ...
  • Stay on your new schedule. ...
  • Stay hydrated. ...
  • Try to sleep on the plane if it's nighttime at your destination.


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Common ways pilots avoid jetlag is staying hydrated, good rest, avoiding caffeine and alcohol, exercising, or sleeping on the airplane. For long-haul flights airlines use multiple pilots for the flight to allow each pilot to get some rest. The more time zones that are crossed, the worse the jet lag.

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Most people find that jet lag is worse when traveling east than it is when traveling west. View Source . Jet lag differs based on the direction of travel because it's generally easier to delay your internal clock than advance it. Jet lag does not occur on north-south flights that do not cross multiple time zones.

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For travelers crossing =3 time zones, especially if they are on a long-haul flight, symptoms (e.g., tiredness) are likely due to fatigue rather than jet lag, and symptoms should abate 1–3 days post-flight.

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If traveling west, crossing multiple time zones, as long as you're not traveling late at night already, have a cup of coffee or two pre or mid-flight to help your body adjust to time lost. If traveling east, avoid consuming coffee before or during your flight as this can exacerbate the effects of jet lag.

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Try to Sleep During the Flight
One of the best ways to minimize jet lag is to try and sleep during the flight. Using earplugs, eye masks, or noise-cancellation headphones helps to block out light and noise.

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If you're traveling east to west, from Rome to San Francisco, jet lag could last four to five days -- about half the number of time zones crossed. Jet lag is generally worse when you “lose time” traveling west to east. If you're an older adult, jet lag may hit you harder and recovery may take longer.

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Stomach upset, including nausea, vomiting, and diarrhea, can also be symptoms of jet lag,” says Vreeman. Extreme fatigue sparks intervention from two opposing systems in the body -- the parasympathetic nervous system and the sympathetic nervous system.

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