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22sdifferentlie 22sdifferentlie
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6 years ago
During the sleep cycle, when does NREM sleep begin?
 A) When the person first falls asleep
  B) When the person enters deep sleep
  C) When the person begins dreaming
  D) When the person is close to waking up
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kmarshall2010kmarshall2010
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6 years ago
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6 years ago
You make an excellent tutor!
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
Smart ... Thanks!
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