Heroic characters are well known for engaging in drunken revelries and other assorted entertainments during their off hours. Presumably the next morning they suffer the inevitable consequences. Penalties to coordination and intelligence and stamina, at a minimum.

A good time to hit them with a surprise ambush by a horde of orcs, we say!

Transcript

Chewbacca: <groan>
Chewbacca: O God, that men should put an enemy in their blood to steal away their brains! That we should, with joy, pleasance, revel, and applause, transform ourselves into beasts!
Chewbacca: My head is so sore.
C-3PO: My sympathy knows no bounds.
{Chewbacca grabs C-3PO's head and puts it back on 3PO's torso}
Chewbacca: Let's see... the head circuit's connected to the... neck circuit.
Chewbacca: Where does this wire... oh, who cares.
C-3PO: When I get switched on, you are going to get such an earful.