The Notion That Narcolepsy Involves Faulty Brain Regulation of Sleep

Multiple Choice

The notion that narcolepsy involves faulty brain regulation of sleep is supported by the observation that

A) mania commonly occurs with narcolepsy.
B) people with narcolepsy show no problems in staying asleep.
C) people with narcolepsy generally enter REM sleep directly from the waking state.
D) slow-wave sleep intrudes into the awake state in people with narcolepsy.
E) people with narcolepsy show problems in eye-tracking similar to those noted in alcoholism.