Where was he? Who could ever have imagined anything like that sort of sepulchre in the midst of Paris! What was this strange house? An edifice full of nocturnal mystery, calling to souls through the darkness with the voice of angels, and when they came, offering them abruptly that terrible vision; promising to open the radiant portals of heaven, and then opening the horrible gates of the tomb! And it actually was an edifice, a house, which bore a number on the street! It was not a dream! He had to touch the stones to convince himself that such was the fact.

Cold, anxiety, uneasiness, the emotions of the night, had given him a genuine fever, and all these ideas were clashing together in his brain.

He stepped up to Cosette. She was asleep.

The Enigma Becomes Doubly Mysterious

The child had laid her head on a stone and fallen asleep.