AP PSYCHOLOGY

Detailed explanation-1: -Rapid eye movement sleep, also known as REM sleep, is the third stage in your sleep cycle. It’s characterized by small, variable-speed brain waves, rapid eye movements, increased heart rate, and muscle paralysis.

Detailed explanation-2: -The phase of sleep in which most dreams occur. During rapid eye movement sleep, a person’s brain activity, breathing, heart rate, and blood pressure increase, and the eyes move rapidly while closed. The muscles in the arms and legs become temporarily unable to move.

Detailed explanation-3: -The correct answer is c. increased voluntary muscle movement. Instead, the body becomes nearly immobile. The other answers do in fact occur in REM sleep.