Jasper has been sleeping for about 90 minutes when his brain shows rapid, irregular waves. His blood pressure rises, his heart rate increases, and his skeletal muscles go limp. Which of the following is the most likely conclusion?a. Jasper is chronically sleep-deprived and his sleep, like his daytime activities, is abnormal.
b. Jasper is experiencing physiological changes that are normal for the third stage of sleep.
c. Jasper is experiencing unusual sleep because during the day he engaged in strenuous physical activities.
d. Jasper is experiencing physiological changes that are normal during REM sleep.

d. Jasper is experiencing physiological changes that are normal during REM sleep.

Explanation:

Rapid Eye Movement Sleep (REM), also referred to as paradoxical sleep, is a state of sleep in the normal sleep cycle, which involves active movement of the muscles of the eyes, and the diaphragm, as well as increased brain activity. However, the skeletal muscles are relaxed. This type of sleep is characterized by vivid dreams as brain activity is intense, although there is absence of no motor function during this sleep.

We can conclude that, the physiological changes experienced by Jasper are normal during REM sleep.

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