This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Which of the following is a REM phase disorder 
Select and explain. 
A. Somnambulism, B. Somnoliqsy, C. Night mares, D. Night terrors
C: Night mares
Answer: C: Night mares 
Explanation: "Night mares" is a REM phase disorders.
"Night terrors" is a NREM phase disorders.