Sleepwalking is most common during which stage of sleep?

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BlackTom AI · Accepted Answer

The question asks: Sleepwalking is most common during which stage of sleep?

First, observe the given data: there are no answer options listed in the provided payload, only an answer field indicating the correct choice as "NREM-3". The absence of the option list means we cannot analyze each distractor as the prompt typically expects.

Nevertheless, we can discuss the relevant content to understand why NREM-3 is the commonly cited stage for sleepwalking.

Consider the stages of sleep: Non-REM stages progress from light sleep (NREM-1) to deeper sleep (NREM-2 and NREM-3). NREM-3, also called slow-wave sleep or deep sleep, is characterized by large-amplitude delta waves and a high threshold for arousal. Sleepwalking, or somnambulism, tends to occur most often during this deepest non-REM sleep stage because the person is partially asleep and not fully aware of external environment cues, leading to physical wandering behaviors while still in a sleep state.

Why NREM-1 or NREM-2 are less likely explanations: NREM-1 is a transitional, light sleep stage where arousal is relatively easy; sleepwalking is not typically initiated here since arousal does not correspond with the same dissociation between consciousness and motor activity. NREM-2, while more prevalent than NREM-1 and associated with spindle activity and a drop in heart rate, is not the optimal stage for the partial dissociation seen in somnambulism; most episodes are observed during deeper slow-wave sleep.

Why REM sleep is not typically the best fit: In REM sleep, the brain is highly active, and most individuals experience rapid eye movements, dream-rich activity, and atonia (muscle paralysis). This combination makes wakeful-like behavior unlikely, so sleepwalking is not commonly associated with REM.

Incomplete information caveat: Because the original list of answer options is missing, we cannot review other potential choices for accuracy or provide explanations tied to them. If you supply the full set of options, I can map each one to its correctness and offer targeted reasoning for why each distractor is right or wrong.

PSYCH N110-LEC-002 Chapter Assignment 2

Sleepwalking is most common during which stage of sleep?

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