How many of the five stages of sleep are considered NREM sleep? one two three four

asked Jun 5, 2019 70.0k views

4 votes

How many of the five stages of sleep are considered NREM sleep?

one
two
three
four

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6 votes

D is the final answer :)

Heisian answered Jun 7, 2019

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5 votes

Four because the fifth stage is REM sleep. The rest are NREM, or Non-REM.

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