The light was brighter to her eyes, since she was used to the darkness, but it gave Katniss the chance to see him better, so she didn't complain. She watched him a little warily, but ultimately, she nodded. She didn't really mind company, she just wanted to avoid thinking about her own world, about Peeta, about Gale. She had no idea who this man was, and he didn't seem to know her either, which meant he probably had nothing to do with their world at all.
"I didn't want to keep my roommate awake, either." It wasn't strictly a lie, although it wasn't the real reason she'd come here. There was too much on her mind, which made her want to be up and about, and keeping her roommate awake with her restlessness had been a very secondary concern to her own selfish needs.