Sleep walking in medical terms is:

Correct option is D

Ans. (d)
Sol. Somnambulism, commonly known as sleepwalking, is a sleep disorder characterized by performing activities like walking, talking, or even complex tasks while in a sleep state. It typically occurs during non-rapid eye movement (NREM) sleep, particularly in deep sleep (Stage 3), and is more common in children than in adults.
Explanation of each option:
· (a) Insomnia – Incorrect. Insomnia refers to difficulty falling or staying asleep, not sleepwalking.
· (b) Hypersomnia – Incorrect. Hypersomnia is a condition where a person experiences excessive daytime sleepiness or prolonged nighttime sleep.
· (c) Somnolent – Incorrect. Somnolent means drowsy or sleepy, but it does not specifically refer to sleepwalking.
· (d) Somnambulism – Correct. Somnambulism is the medical term for sleepwalking, where a person walks or engages in activities while still asleep.
Thus, the correct answer is (d) Somnambulism, as it specifically refers to sleepwalking.