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Home Q & A Board Biology-Related Homework Help Medicine
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Mpappan54 Mpappan54
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6 years ago
Which sleep stage accounts for about one-half of total sleep?
 
  1. NREM sleep stage 1
  2. NREM sleep stage 3
  3. NREM sleep stage 2
  4. NREM sleep stage 4
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liuyihanliuyihan
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6 years ago
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Mpappan54 Author
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6 years ago
Thanks
veronee_madison
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Yesterday
Just got PERFECT on my quiz
Marctheshark
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2 hours ago
You make an excellent tutor!
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