Raymond Usually Sleeps 12 Hours a Night but Still Wakes

Multiple Choice

Raymond usually sleeps 12 hours a night but still wakes up feeling sleepy.He falls asleep during team meetings in his office and often while working at his desk.This has been going on for months now and is jeopardizing his career.Which of the following conditions is Raymond probably suffering from?

A) Sleepwalking disorder
B) Circadian rhythm sleep disorder
C) Primary insomnia
D) Hypersomnulence