Question 3 (part 2) · LEK · Sleep-wake disorders

Which parasomnia meets the following ICD-10 criteria: “most common in children, it is a disorder of consciousness combining sleep and wakefulness and characterised by walking, typically in the first of the three parts of night sleep in NREM Stage 4; upon awakening there is typically no recall of the event; the treatment involves e.g. administration of impramine:

  1. A. sleep behaviour disorder.
  2. B. somnambulism.
  3. C. nightmares.
  4. D. sleep paralysis.
  5. E. rhythmic movement disorder.
Hint

Think of the parasomnia arising from deep slow-wave sleep early in the night in which the person leaves the bed and has no recall afterwards.

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