Simple as set in time wrist watchWe will adjust the internal clock or timer of the it environment and the time that the change was the same, but it takes a long time to cross time zones, is one of the counties will have to spend time in the day if a different time zone, it takes approximately 12 to 12 days or at the very least, it's about 1 week to fall into place.Travel by car or train often do not have this problem because it. The body has time to gradually adapt. This symptom is only travelling by plane by authentic.
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