[crazychester]

...and later next morning, the cops will roll up and charge you with rape. Gee, I hope this isn't going to turn into a "men are sick twisted fucks" thread.

Get her up, put her in her own bed, try to get her to drink some water. Assuming you don't want it to happen again, in the morning say something really patronising like, while it's clear she doesn't yet have enough experience with alcohol to know when she's had too much, you'd appreciate it if she would try to exercise enough discretion before she moves out to avoid a repeat of last night's performance.