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Foundations Review Day! Flashcards | StudBud
Foundations Review Day!
1 / 46
Rapid eye movement (REM) sleep involves the following characteristics?
A
Consists of 75% of total sleep time
B
Includes 1-4 of sleep stages and decreased VS
C
Usually lasts about 90 minutes and 25% of total sleep time
D
Brain and muscle activity are decreased
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