somnambulism

/sɑmˌnæmbjəˈlɪzəm/

Other forms: somnambulisms

Somnambulism is sleepwalking. Some people have managed to walk around their neighborhood without even knowing it because of somnambulism.

The roots of this word — somn and amublate — are related to sleep and walking, and that's exactly what somnambulism is: walking in your sleep. Lots of people engage in somnambulism every night, usually harmlessly. Somnambulism can also include talking in your sleep and doing other activities.

Definitions of somnambulism

1. noun

   walking by a person who is asleep
   synonyms: noctambulation, noctambulism, sleepwalking, somnambulation

   type of:

   walk, walking

   the act of traveling by foot

   sleeping

   the suspension of consciousness and decrease in metabolic rate