He thought it was the Apostles talking about him.

But he could not open his eyes.
"And how comes he to be lying there, St.Peter ?" said one.
"I think I saw him a while ago up in the gallery, under the Nicodemus window.

Perhaps he has fallen down.
"What do you think, St.Matthew ?" "I don't think he could have crept here after falling from such a height.

He must have been killed." "What are we to do with him?
We can't leave him lying there.

And we could not make him comfortable up here in the window: it's rather crowded already.