"The second floor." He doesn't realize that her bed is actually a mirror image to his and she turned toward the wrong end of the building on top of being on the wrong floor.

"Was it someone you knew? I'm still trying to come up with a common factor, so far I haven't found myself in anyone else's bed though." Which meant as far as he was concerned it was everyone else affected and not him, so he had no idea what might be causing it. "Knowing this place, probably another plant or weird insect. Get any bug bites lately?"

The last part's a joke, mostly.