Different? That seemed odd. It didn't seem different to her, though she could admit that she still wasn't fully adjusted to the fact that there was no real "day" here. That was why she had some bouts of insomnia like this.
The man was smiling now, so that put her at ease a bit. Perhaps she had simply interrupted his thoughts. "About a month," Mary replied. "It does seem like it has been longer though." Some of the other people had been here even longer than her.