Kristin
by Ashley Rossi, SmarterTravel Staff – December 17, 2015 Jetlag Is Caused by Lack of Sleep Basically anything but lack of sleep is responsible for jetlag. Of course, jetlag affects everyone differently, but crossing time zones is the most prominent cause in disrupting your body’s internal clock. Dryness on the flight, cabin pressure, lack of fresh air, and certain foods and drinks all...