He sees what she's doing, the same as he was when they first met. He's not really in the mood to play games, not to mention he wouldn't be very good at them while he's high on pain meds.

"Then goooooooo," he mouths slowly, looking exhausted. "I just want to get back to sleep." He tries to pantomime resting his head on a pillow made of two hands, but he only has one to work with. Hopefully the message gets across anyway.