Originally Posted by jbcarioca

I have a ten hour long daytime flight (CDG-GIG) roughly 6-7 times per year, and have had innumerable CX daytime flights YVR-HKG. As a rule I try to stay awake as much as possible, drink zero alcohol and avoid heavy foods. I try to have some very interesting reading and attempt to walk around a bit every time I start to doze off.

That gets me to Hong Kong/Rio de Janeiro absolutely exhausted and I usually cannot sleep for a couple of hours, then have a very long and excellent sleep after which I'm jet-lag free, more or less.

My choice is not a popular one since most passengers seem to drink alcohol, eat pasta and red meat and them sleep. Still, I've been doing this for many years and it has always worked well. Obviously it is easier to keep the discipline if you're on a lousy airline or in Y than if you're, say. in F on CX.

Good luck!