TRUE but then he'd wake as soon as she went to touch his pretty, pretty hair [Well, lucky the frosted glass of the stall is indeed frosted, even with all that steam. It's rude to barge in on a girl who's showering and thinks you're sleeping!
Thus, she squeaks anyway, and after a moment of shuffling, the door slides open just enough for her to peer around it without showing off anything too...much for Time Lord brains to handle.]
Doctor! Yeah, I'm alright. Sorry, didn't wake you, did I? Meant to be dressed and ready by the time you got up.