You want to know what it's like to be on a plane for 22 hours? Sit in a chair, squeeze your head as hard as you can, don't stop, then take a paper bag and put it over your mouth and nose and breath your own air over and over and over.
Lewis BlackStand-up is the only thing in which you actually write it, act it and direct it simultaneously, so it's actually a great theater exercise.
Lewis Black