Night Terrors

**Definition:** A disorder characterized by incomplete arousals from sleep associated with behavior suggesting extreme fright. This condition primarily affects children and young adults and the individual generally has no recall of the event. Episodes tend to occur during stage III or IV. SOMNAMBULISM is frequently associated with this condition. (Adams et al., Principles of Neurology, 6th ed, p391)

**Tree numbers:** - C10.886.659.635.600 - F03.870.664.635.600

**Synonyms:** - Pavor Nocturnus - Sleep Terror Disorder - Sleep Terrors