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Multiple Choice

Skeletal muscle tone in NREM sleep is

Skeletal muscle tone is preserved during NREM sleep. This means muscles maintain some tone and posture-related activity, unlike REM sleep where there is near-complete atonia to prevent movement during dreaming. While tone may dip a bit as sleep deepens, it does not disappear in NREM as it does in REM.

Skeletal muscle tone is preserved during NREM sleep. This means muscles maintain some tone and posture-related activity, unlike REM sleep where there is near-complete atonia to prevent movement during dreaming. While tone may dip a bit as sleep deepens, it does not disappear in NREM as it does in REM.