In paradoxical sleep, brain activity, heart rate, and blood pressure closely resemble waking consciousness, but the sleeper ________.

Question

Quizplus · Accepted Answer

In paradoxical sleep, also known as REM (rapid eye movement) sleep, the brain is highly active, heart rate and blood pressure increase, and the body experiences muscle atonia, making movement difficult. Therefore, the sleeper appears to be deeply asleep and incapable of moving. A and B are incorrect because speaking and acting out suggestions are more likely to occur during non-REM sleep stages. C is incorrect because the muscle atonia during REM sleep makes movement difficult.

In Paradoxical Sleep, Brain Activity, Heart Rate, and Blood Pressure