To combat jet lag, or otherwise reset your sleep schedule if it has drifted...
Go 24 hours without eating.
Go to bed early enough to make sure you get 8-10 hours before you normally want to wake up.
Using an alarm, wake up a bit earlier than you usually want to wake up.
Make a big breakfast, eating when you normally want to wake up.
Now your body will have reset its circadian rhythm, and you'll naturally wake up at that time.
How the heck you fall asleep on a 24hr empty stomach?
Yeah I find that if I don't eat enough I will have a very hard time sleeping from the hunger pangs. It can even wake me up in the middle of the night even if I've already managed to fall asleep.
To combat jet lag, or otherwise reset your sleep schedule if it has drifted...
Go 24 hours without eating.
Go to bed early enough to make sure you get 8-10 hours before you normally want to wake up.
Using an alarm, wake up a bit earlier than you usually want to wake up.
Make a big breakfast, eating when you normally want to wake up.
Now your body will have reset its circadian rhythm, and you'll naturally wake up at that time.
How the heck you fall asleep on a 24hr empty stomach?
Yeah I find that if I don't eat enough I will have a very hard time sleeping from the hunger pangs. It can even wake me up in the middle of the night even if I've already managed to fall asleep.
Fatique.
Practice, I guess?