Denise is watching Greg sleep.Denise notices that Greg's eyes are rapidly moving back-and-forth behind his closed eyelids.She also notes that his arms lack muscle tension.These suggest that Greg is:
A) experiencing sleep spindles
B) dreaming
C) in gamma sleep
D) emitting theta waves

Question

Quizplus · Accepted Answer

Rapid eye movement (REM) during sleep is associated with dreaming, and lack of muscle tension, known as muscle atonia, is a characteristic of REM sleep. Sleep spindles and theta waves are associated with non-REM sleep, while gamma sleep is not a recognized sleep stage.

Denise Is Watching Greg Sleep