How's that going to work? Does she practice drawing during a dream, or stand ready before she passes out?
Maybe she should never party and get drunk with a bunch of low-life rabid ejaculating animals. That way should she find herself in a dangerous one-on-one situation, she can either ward off or shoot the rapist.
In general, heaven forbid, maybe she should keep her pants on until she gets married.
Situational awareness 101.