A Loop Must Have at Least One Delta

question 71

True/False

A loop must have at least one delta.

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Definitions:

REM Sleep

A phase of sleep characterized by rapid eye movement, during which vivid dreams commonly occur.

NREM Sleep

Non-Rapid Eye Movement sleep, characterized by slower brain waves, minimal dreaming, and deep physical relaxation; constitutes the majority of sleep time.

N2 Sleep

A stage of non-REM sleep characterized by sleep spindles and K-complexes, representing a deeper sleep than N1 and precedes the even deeper N3 sleep stage.

N1 Sleep

N1 sleep, or stage 1 sleep, is the initial phase of the sleep cycle, characterized as the transition from wakefulness to sleep, marked by reduced muscle activity, slowed breathing, and heart rate, and is typically brief.