contestada

Regarding rem sleep, which statement is true?
a. rem sleep occurs only during state 4 sleep.
b. dreaming causes major muscle contractions and tossing and turning.
c. roughly 20% of adult sleep time is accompanied by rem.
d. rem sleep occurs during stage 3 sleep.

Respuesta :

The answer is C. REM (rapid eye movement) occurs during stage 5 of the sleep cycle. It takes up roughly 20-25% of the adult sleeping time.

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