alt Hacker NewsGenerally your body can only adjust 1 hour per day (varies by direction of travel). So shifting at the start of your travel is a bit late. You probably want to shift gradually a few days before travel if it’s a major shift.
Replies
bbqbbqbbq • yesterday at 3:37 PM
[dead]
But that argues equally strongly for what the parent suggests in terms of flight meal/sleep timing.