What Would You Expect to Happen If You Sprayed Water

What would you expect to happen if you sprayed water on the hand of an individual who was in REM sleep

A)  He would wake up less able to recall his dream. 
B)  She would somnambulate toward the bathroom. 
C)  She would not be at all disturbed or affected by the experience, due to the deep nature of REM sleep. 
D)  He would incorporate the experience into his dream, perhaps as a rainstorm.