1. Maximize your time awake the day before.
2. Perform near-maximal exercise the day of the trip.
3. Wear a painter's mask and comfortable clothes, acquire a set of Bose headphones for noise reduction.
4. Let the flight attendant know you want to sleep through meal services.
5. Starting reading a laugh-out-loud humor book as soon as you board.
6. Fall asleep. Wake up off the coast of Korea/China.