Hatchworth nodded sagely. "It is probably. swamp demons. Or dragons." But swamp demons seemed the most likely. He thought they'd dealt with all of those already, though?

"Yes. I go into. stasis at night." And he did have a power switch, but it had been drilled into all the Walter robots a long time ago to not actually go telling random strangers where said power switch was. "I do not need it. as much as humans need. to sleep. but it is better if I do. Besides. humans do not like. when you watch them sleep. all night."