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meknow meknow
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6 years ago
The nurse knows the usual progression of sleep is:
 
  a. NREM 1-4 then REM, then back through NREM 1 and 2.
  b. REM then NREM 1-4, then back through NREM 2 and 3.
  c. NREM 1-4 then back through NREM 3 and 2 then REM.
  d. REM then NREM 1-4 then back through NREM 3.
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BokoBoko
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6 years ago
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meknow Author
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6 years ago
Smart ... Thanks!
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Yesterday
Helped a lot
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2 hours ago
this is exactly what I needed
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