You're probably used to the feeling of jet lag when you travel. Flying into a different time zone can really throw off your circadian rhythm and cause poor sleep, daytime fatigue and even an upset ...

Time your flights just right, and you'll feel less zonked at your destination ...

WASHINGTON - The holiday travel season is here, and many people are packing their bags, setting alarms for early flights, and preparing to cross time zones to visit family and friends. Long-distance ...