They kept her awake.

[ Gansey's head rolls a little to the side. It's clear by now that the alcohol is taking a toll on him. He's all but lounging in his seat now. ]

Buried face down, in a tomb, never able to sleep, always aware. It was a punishment.

Even so, she managed to do good down there. She's a strange creature. Glendower's Magicians did that to her. Before you ask, no. I don't know why, and I don't know if he knew.

I think he was already asleep when they did it.