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kemkem9 kemkem9
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6 years ago
The parents of a 15-year-old boy are frustrated at his persistent inability to fall asleep at a reasonable hour at night, as well as the extreme difficulty that they have rousing him in the morning.
 
  While sleepy after waking, the son claims not to feel drowsy after lunch or in the evening. What is the most likely classification of the boy's sleep disorder?
  A)
  Delayed sleep phase syndrome (DSPS)
  B)
  Non-24-hour sleep-wake syndrome
  C)
  Advanced sleep phase syndrome (ASPS)
  D)
  Chronic insomnia
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#1
6 years ago
Ans:
A

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The teen's sleep patterns are characteristic of DSPS. Non-24-hour sleep-wake syndrome is characterized by a sleep cycle that greatly exceeds 24 hours, and ASPS is the opposite of DSPS. Chronic insomnia would likely include afternoon and evening drowsiness.
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