How bad can jet lag get?

The main symptom is daytime drowsiness and an inability to fall asleep or stay asleep during the night. That said, jet lag can also cause GI symptoms (like a loss of appetite or cramping), headaches, problems thinking or concentrating, irritability, and many others.



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Jet lag can last anywhere from four to five days. Some specialists say that traveling over just one or two time zones is minimally problematic. Individuals who encounter jet lag feel better a few days after arriving at their destination. But it can take up to one week for some people to feel back to themselves.

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Jet lag lasts anywhere from a few days to a few weeks. View Source . In general, symptoms persist for 1-1.5 days per time zone crossed, but the duration of symptoms varies depending on the person and their trip details.

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It is widely acknowledged that jet lag is worse when travelling east, but this has nothing to do with the direction of Earth's rotation. Like many creatures, humans have a circadian rhythm that follows a 24-hour period and is kept in sync by the eyes' response to natural light levels over the day.

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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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Is there anything you can do to avoid jet lag?
  1. Start adjusting light exposure before your trip to decrease the length of time you will feel jet lagged. ...
  2. Consider taking melatonin supplements if you're traveling east. ...
  3. Time your flight. ...
  4. Try to sleep during your flight. ...
  5. Avoid long layovers in extra time zones if you can.


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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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Adjust your sleep-wake schedule: Getting on the sleep-wake schedule at your destination quickly may help with jet lag symptoms. Focus on getting quality sleep: Sleeping on the plane, if you can, may help your body adjust faster to a new time zone.

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You can use the fasting reset to get the circadian rhythm back on track. If you abstain from food while you travel and indulge in a filling meal the moment you land, you will supply the body with the necessary energy. Just like you would get from a regular morning meal. With fasting, jet lag symptoms can subside.

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According to an August article in the New York Times, your body clock makes it more difficult to travel east. Steven W. Lockley, of NASA's fatigue management team, estimates that three-quarters of the population experience more jet lag when traveling eastward.

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The best time to fly to Europe
If you want to avoid jet lag as much as possible, try to find a flight that arrives in Europe in the mid-afternoon or evening. This means leaving North America in the early morning.

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