The nurse knows that during rapid eye movement (REM) sleep, the following occur: (Select all that apply.)
a. Memories are stored
b. Increase in cerebral blood flow
c. Slow rhythmic scanning eye movements
d. Release of epinephrine
e. Repair of brain cells
ANS: A, B, D
Rapid eye movement (REM) sleep occurs during deep sleep and is manifested by quick scanning movements of the eyes that are associated with dreaming. REM sleep is associated with memory storage, learning, increased cerebral blood flow, and epinephrine release. Repair of brain cells occurs during non-REM sleep.
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