9. Sleep apnea is a sleep disorder in which the victim suffers sudden, uncontrol
ID: 3458809 • Letter: 9
Question
9. Sleep apnea is a sleep disorder in which the victim suffers sudden, uncontrollable sleep attacks, oftern 10. Sleep walking or Somnambulism occurs usually during N3 stage. 11. A person suffering from night terror experiences episodes of high arousal with apparent terror. This 12. Dreams are vivid sequences of images, emotions, and thoughts, the most vivid of which occur during REM characterized by entry directly into cataplexy phenomena usually occur during Stage 4 sleep and more common in children. sleep.Explanation / Answer
9 - False - Cataplexy involves sudden weakness of muscles and is one of signs of narcolepsy and not sleep apnea. Sleep apnea is a breathing related sleep disorder while in narcolepsy brain does not monitor sleep-wake cycles.
10 - True - Sleepwalking often occurs during the deepest NREM sleep stage which is N3.
11 - True - Night terrors are arousal disorders that occur most often in children.
12 - True - In REM sleep, brain and eyes are active, muscles are relaxed and vivid dreaming occurs.
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