[How far away was it? Sheryl tries to keep in her mind, trying to count her steps. It's hard to judge distances, after all, and she doesn't want to bump into anything.

Which is why she makes sure his voice is coming from ahead of hers. He'll collide with something before she does.] I don't know; this is probably just a crew quarters. When you think about it, all the rooms we've seen are probably for... twenty people? Thirty?

They could sleep in shifts, though. I hear military vessels do that.