The first thing I like to do is to get as little sleep as possible the night before I fly, this way by the time I get to the plane I can hopefully just go to sleep and wake up at my destination. I only recommend this if you are able to perform any tasks you need to do before your flight. If you have to drive for 5 hrs first you may want to get a good night sleep, and maybe take some T... https://itinkorea.com/