There are lots of things that can mess up your vacation, but at least sleep deprivation is something you can prepare for.

Light physical activity, such as walking, can also be a useful tool if you find yourself crashing early in the evening due to jet lag, Schmitt says. Movement boosts alertness, so it can be a helpful ...

Jet lag has long been treated as an unavoidable tax on global travel, a foggy penalty paid in lost sleep, dulled concentration, and sluggish days after a long-haul flight. Now researchers say a new ...

Scientists have identified a promising new compound, Mic-628, that can reliably shift the body’s internal clock forward—something that’s notoriously hard to do. By targeting a key clock-control ...

Add Yahoo as a preferred source to see more of our stories on Google. Jet lag can turn a dreamy vacation or a crucial business trip into a haze of groggy confusion and sleepless nights. You’ve ...

Science may finally be catching up with the realities of a 24/7, always-travelling world — and the end of jet lag may no ...

Jet lag is a temporary sleep disorder caused by misalignment of the body’s circadian rhythm with the time zone the traveler is in. The circadian rhythm determines the diurnal patterns of various ...

As flights keep getting longer, jet lag doesn’t seem to be going anywhere. The world’s longest flight launched last year, when Qatar Airways added direct routes between Doha, the Qatari capital, and ...

For the hundreds of Major League Baseball players, jet lag is an inescapable part of the sport. New research shows how disruptions to an athlete’s sleep cycle impairs his performance on the field—and ...

Jet lag is hard to beat because every organ keeps time with its own clock. July 31, 2010— -- Human beings aren't built to cross time zones. After an international flight, it takes days for the ...