Somnambulism
Synonyms
Nocturnal Wandering
Sleep Walking
Sleep Walking Disorder
Sleep Walking Disorders
Sleepwalking
Wandering, Nocturnal
A parasomnia characterized by a partial arousal that occurs during stage IV of non-REM sleep. Affected individuals exhibit semipurposeful behaviors such as ambulation and are difficult to fully awaken. Children are primarily affected, with a peak age range of 4-6 years.