 And jet lag was nonexistent because if you want to, right after you take off, you can fall asleep. They'll wake you up when there's time to eat or let you sleep through whatever you want and then feed you when you wake up. So your body doesn't have to adjust to the time difference like it does when you stay awake the whole time through or cramp your neck and try to sleep in a little teeny tight chair and just really uncomfortable.