"I'm Derpy Hooves, and I don't think I caught your name either. And what were you dreaming about? I know that must have been pretty bad, because you looked like Dinky when she has one of her nightmares."
ooc: I'm just assuming that even Winter would have shown some sort of symptom that can be related to troubled sleep, and with Derpy being a mom, her ability to catch those symptoms is rather high