Many of us who travel across various time zones experience jet lag, and some are more prone to it than others. Circadian rhythms (your body's internal clock) tell you when to stay up and go to bed, and because they're pegged to to your home time zone rather than the new time zone you've gone to, you experience jet lag if you cross more than two or three time zones. Flying from the U.S. East Coast to Europe, for example, when you arrive around 8 AM your internal clock still thinks it's 2 AM, and will continue to lag six hours behind for some time.

Common symptoms include daytime excessive fatigue; general malaise; difficulties concentrating; disrupted sleep; and digestive issues, and they generally tend to last for one day for each time zone crossed, though for some it can last longer. It can certainly be a drag on any vacation or business trip!

Here are some things to keep in mind when it comes to jet lag...


read post