On an overnight US-Europe flight alcohol was a nice replacement for valium- it helped you fall asleep in those noisy, cramped, dirty and crowded surroundings.

Mind you, this is not a 2 hour hop where alcohol is consumed 'for fun'- in the case of such masochistical experiences as 8+ hour flights anything that alters your senses helps.

Here's my message to DL international passengers: BYOB!!! (Illegal, of course )

I usually have 2-3 drinks, especially on the US-Europe flights. Even when I was 16