Insomnia is characterized by : (Multiple Choice)

Insomnia is characterized by
 
  A) difficulty falling or staying asleep.
  B) a pattern of waking too early.
  C) poor-quality sleep over a lengthy period of time.
  D) All of the answers are correct.

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Studies show that when you're well-rested, you
 
  A) manage stress more effectively.
  B) make more realistic assessments of yourself and your surroundings.
  C) solve problems with greater ease.
  D) All of the answers are correct.

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The most popular over-the-counter sleep drugs are
 
  A) antihistamines.
  B) antidepressants.
  C) benzodiazepines.
  D) taurine and ginseng.

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If you've gone to bed but cannot fall asleep in ________, get up and do something relaxing until you feel sleepy again and can head back to bed.
 
  A) an hour
  B) twenty minutes
  C) two hours
  D) ninety minutes

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Which of the following supplements does the text suggest may be helpful for easing the symptoms of jetlag?
 
  A) valerian
  B) chamomile
  C) melatonin
  D) All of the answers are correct.