Switch to your new time zone as soon as you leave home. Reset your watch and act as if you were already in the new time zone.
Sleep on the plane if it is nighttime in your new time zone. Stay awake if it's daytime.
Avoid the urge to nap if you arrive at your destination during the day. Go outdoors as much as possible if you need to stay awake, since natural light will help reset your body clock.
Retire to bed at the local bedtime.
Take melatonin to help you sleep; some studies indicate it can help reset your body clock. Follow the directions on the bottle.
Eat meals according to local time.
