Jet Lag Hurts Both Mental and Physical Performance

By Dr. Mercola Jet lag, also known as flight fatigue, time zone change syndrome or desynchronosis, occurs when travel across time zones disrupts your internal body clock, resulting in mental, emotional and physical symptoms such as:1,2 Daytime sleepiness and lethargy followed by nighttime insomnia Anxiety, irritability, confusion and poor concentration Constipation or diarrhea Headache, nausea, indigestion, dehydration and/or general malaise The mental effects are fairly well-established, but recent research suggests jet lag can have a significant effect on your physical performance as well — a finding of particular importance for athletes who travel to participate in games and races.Jet Lag Takes Toll on Physical Performance Looking at Major League Baseball data culled from more than 40,000 games over two decades, including the players' travel schedules, researchers found "subtle but detectable" effects when players traveled across one or two time zones for a game.3,4 As reported b
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