Is it wrong…

Yes, but “falling asleep” and drooling on his arm/hand isn’t out of bounds.

Well, I didn’t mention that later in the flight, he also pushed his legs out beyond the boundaries of his seat as well. I though THAT deserved a swift fork.

But drooling would certainly get his attention 🙂

Well, a swift, “accidental” knee in the IT band, or just playing footsie with the guy, usually works for getting legs back where they belong. Never tried the latter, but the former…hmmm.