"Sleeping in the other room." Vader probably knows that already, but it's the simplest answer. He steps further into the room, settling into the chair he'd been sitting on earlier.

"Did you sense anything from her, when she healed you?" He hadn't been certain how to start this conversation when he came in, but it now occurs to him that Vader may have also felt whatever it was that had scared Rey so badly. He has some of his own guesses about it, but he'd like his grandfather's insight.