Sleep is best defined asA) a pattern of biological functioning that occurs on a roughly 24-hour cycle.B) a periodic natural loss of consciousness that involves distinct stages.C) a state of hibernation or general anesthesia.D) episodes of fast and jerky eye movements accompanied by frequent muscle spasms.

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Sleep is best defined asA)  a pattern of biological functioning that occurs on a roughly 24-hour cycle.B)  a periodic natural loss of consciousness that involves distinct stages.C)  a state of hibernation or general anesthesia.D)  episodes of fast and jerky eye movements accompanied by frequent muscle spasms.

kelly reynolds · Accepted Answer

Final Answer : B, Explanation :  Sleep is best defined as a periodic natural loss of consciousness that involves distinct stages. Although sleep is accompanied by changes in biological functioning, it is not strictly limited to a 24-hour cycle, nor is it equivalent to hibernation or general anesthesia. While rapid eye movements (REM) and muscle spasms may occur during certain stages of sleep, they are not the defining characteristics of sleep as a whole.

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