This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sleep Disorders, Subject name: Psychiatry
Which one of the following phenomenon is not associated with slow wave sleep? 
Select and explain. 
A. Somniloquy, B. Somnambulism, C. Sleep Atonia, D. Sleep enuresis
C: Sleep Atonia
Answer: C: Sleep Atonia 
Explanation: NREM/Slow wave sleep disorders- Seen in stage 3 and 4. Somnambulism- sleep walking Somniloquy - sleep talking Sleep enuresis Night terror Bruxism (stage 2) Features of REM sleep: Sleep Atonia Dreaming Irregular hea rate