Which of the following statements about sleep is correct?
A)Sleep typically occurs in stages in which a subject goes through progressively deeper stages of sleep and then awakens.
B)Sleep typically occurs in cycles in which a subject will cycle through various stages of slow-wave sleep punctuated by paradoxical sleep several times during one bout of sleep.
C)During REM sleep,blood pressure and breathing rate become elevated.
D)Sleep involves a lack of neurological activity.
E)All muscles are relaxed during all phases of sleep.

Question

Quizplus · Accepted Answer

B) Sleep occurs in cycles, not just stages. These cycles include various stages of sleep, including REM (rapid eye movement) and non-REM sleep, and individuals cycle through these stages multiple times during a typical sleep period.C) During REM sleep, which is often associated with vivid dreaming, physiological measurements such as blood pressure and breathing rate do indeed become elevated, contrasting with the more stable rates observed during non-REM sleep.

Which of the Following Statements About Sleep Is Correct