[sblock=OOC]So, because nonlethal damage heals at 1 point per hour per character level, he would most likely have woken up before you guys headed back in. (I will concede that I didn't actually determine how much nonlethal damage he took, since I assumed that it wouldn't matter.)
Of course, if the party wanted him to keep sleeping, you could easily have kept him unconscious. Likewise, if the party wanted to wake him up earlier, that would also have taken little effort (probably one charge of the CLW wand, tops). At this point, I THINK it would make most sense to either (a) have him still unconscious (which would require that the party decided to keep him that way), or (b) go back in time and do something with him. Unless one of you has another idea.[/sblock]