The response must indicate that the assumption is likely incorrect because during REM sleep the body is paralyzed, immobile, etc. OR The response must indicate that sleepwalking and dreaming typically occur in different stages of sleep. Acceptable explanations include: - It is highly unlikely that Ruth was in REM sleep because during REM sleep the muscles of the body are paralyzed, so she wouldn't be able to walk around. Unacceptable explanations include: - Lynn's assumption is incorrect because if Ruth was acting out a dream of being chased, she would be running around, not walking slowly. & 1 point