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Travel / Travel info / Before the flight / Flight physician / Jet lag

Jet lag

 

Rapid east-west travel across several time zones disturbs the diurnal rhythm of the body, as conflict develops between the local time and the body's internal clock. As a result, typical stress symptoms develop (jet lag), including fatigue and insomnia, upset stomach, headache, irritability and deterioration of both physical and psychological abilities.


West-bound travel is easier on the body in terms of adapting to the new time zone than east-bound travel. The body is able to "adjust" its internal clock by approximately two hours in a 24-hour period.


Tips for alleviating jet lag

 

  • You can reduce jet lag starting before the flight by going to sleep and waking up later than usual, when travelling west-bound and by going to sleep and waking up earlier, when travelling east-bound.
  • Start following the local time at your destination immediately upon arrival. When arriving at your destination in the morning, local time, you may take a short nap during the day.
  • Sleep-inducing medication during the flight is not recommended for safety reasons. The effectiveness of such medication in terms of alleviating jet lag has also not been proven. Quite to the contrary, they may slow the adaptation to the new time zone.


Keywords

Jet lag
Time zones
Fatigue
Insomnia
Upset stomach
Headache
Irritability
Reducing jet lag


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