<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by davistev:
... How does one avoid a hangover while awake inflight?...</font>
Avoiding the hangover is the easy (...) part: don't drink.
Curing a hangover is where it becomes difficult: I always make sure I have some Advil (or another brand) on hand. This works Ok for me.