Hah, a likely story! How do you know you didn't get the wrong room?

[ Now this is a matter of pride. No longer alarmed about waking up next to a stranger in bed, she rolls onto her back, tucking her hands behind her head, as though she's chill as a space cucumber. ]

If you're so sure, go on and check the door then! I'll wait here.

[ Since this is her room, she has no reason to leave her bed! Of all the times to wake up with a pounding hangover, too... ]