The notion that narcolepsy involves faulty brain regulation of sleep is supported by the observation that
A) mania commonly occurs with narcolepsy.
B) narcoleptics show no problems in staying asleep.
C) narcoleptics generally enter REM sleep directly from the waking state.
D) slow-wave sleep intrudes into the awake state in narcoleptics.
E) narcoleptics show problems in eye-tracking similar to those noted in alcoholism.

Question

Quizplus · Accepted Answer

Narcoleptics generally enter REM sleep directly from the waking state, which is not typical of normal sleep patterns. This supports the idea that there is a problem with the regulation of sleep in the brain.

Answer: D
 Slow-wave sleep intrudes into the awake state in narcoleptics, which is also not typical of normal sleep patterns. This supports the idea that there is a problem with the regulation of sleep in the brain.

The other answer choices are not relevant to supporting the idea that narcolepsy involves faulty brain regulation of sleep.

The Notion That Narcolepsy Involves Faulty Brain Regulation of Sleep