[Yeah, he expected this.]

Who said anything about resting? The last person to use that bed bitched for half an hour about a loose spring somewhere that was bothering them. I had to kill two separate shadow monsters before they were done. I'm used to sleeping on the floor, so I can't find that spring - I was hoping you could.

[It's absolutely a lie, but it's plausible and very convincingly delivered. Might as well be the truth for all Ferran knows.]