Additionally, if you’re a sucker for an early flight so you can “make the most of the day” once you arrive at your destination, you may be doing yourself a disservice, Artis warns, saying: “If you’re up at 3am for an airport transfer after a restless night’s sleep, you’re already asking your body to function on less recovery than it normally would. That sleep debt can follow you into the first few days of your trip.”
Article source: https://www.huffingtonpost.co.uk/entry/sleep-hangover-ruining-your-holiday_uk_6a7ca6b7e4b0ecad6d3de43b