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In Biology / College | 2025-07-04

Which of the following best characterizes a night of sleep?
A. We begin the night in light sleep and end in deep sleep.
B. We pass from light sleep to dream sleep to deep sleep.
C. Our depth of sleep alternates up and down many times.
D. We alternate from the waking state to dream sleep about six times.

Asked by Gtboyle

Answer (2)

A night of sleep consists of alternating stages, indicating that our depth of sleep changes multiple times throughout the night. This cycle includes periods of light sleep, deep sleep, and REM sleep, with variations in depth. The most accurate characterization is that our depth of sleep alternates up and down many times. ;

Answered by GinnyAnswer | 2025-07-04

The best characterization of a night of sleep is that our depth of sleep alternates up and down many times, reflecting the various stages and cycles of sleep. This includes transitions through light sleep, deep sleep, and REM sleep multiple times throughout the night. Therefore, the chosen answer is that our depth of sleep alternates up and down many times.
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Answered by Anonymous | 2025-07-08

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