Question:
Which of the following statements is NOT true regarding somnambulism (sleep walking)?
Which of the following statements is NOT true regarding somnambulism (sleep walking)?
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Sleepwalkers perform complex coordinated acts, not low-level movements.
Updated On: Jun 23, 2026
- Sleep walking
- Patient consciousness is preserved
- Disorder of sleep arousal
- Low level motor skill or function is present
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The Correct Option is D
Solution and Explanation
Step 1: Somnambulism is a non-REM parasomnia and a disorder of arousal that arises out of deep slow-wave sleep. During an episode the person may leave the bed, walk around, dress, move things or even drive, with no later memory of the event.
Step 2: Because it occurs in deep sleep, the sleepwalker actually performs complex, well-coordinated motor activities, not low-level or rudimentary ones. So the claim that only low level motor skill or function is present is the false statement.
Step 3: The other options are correct features. It is sleep walking, it is a disorder of sleep arousal, and consciousness or awareness is not normal, fitting the clinical picture.
Step 4: The statement that is NOT true is option d, low level motor skill or function is present.
Step 2: Because it occurs in deep sleep, the sleepwalker actually performs complex, well-coordinated motor activities, not low-level or rudimentary ones. So the claim that only low level motor skill or function is present is the false statement.
Step 3: The other options are correct features. It is sleep walking, it is a disorder of sleep arousal, and consciousness or awareness is not normal, fitting the clinical picture.
Step 4: The statement that is NOT true is option d, low level motor skill or function is present.
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