PARASOMNIA
The term “parasomnia” is used in reference to a wide range of disruptive sleep-related events. These behaviors and experiences generally occur during sleep, and in most case are infrequent and mild. At times, however, they may occur often enough or become so bothersome that medical attention is indicated.

What are Disorders of Arousal?
The most common of the parsimonias are “disorders of arousal” which include Confusional arousals
Sleepwalking (somnambulism)
Sleep terror