The key symptom of narcolepsy is A) dreaming in color. B) an ...

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The key symptom of narcolepsy is
 
  A) dreaming in color.
  B) an attack of sleep during the day.
  C) anxiety and fear during the waking period.
  D) rapid movements of the eyes.
  E) the inability to fall asleep.

Question 2

Which of the following is true of sleep?
 
  A) Strong movements accompany each sleep stage.
  B) Sleep is preceded by a feeling of dizziness.
  C) Humans spend about a third of their lives asleep.
  D) Sleep is a state of unconsciousness.
  E) The function of sleep is to suppress memory consolidation.

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: C
Rationale: Humans spend about a third of their lives asleep.