Updated January 22, 1999

What is Rhythmic Movement Disorder?

Rhythmic movement disorder is a group of stereotyped, repetitive movements involving large muscles. usually of the head and neck, which typically occur immediately before sleep onset and are sustained into light sleep.

Also known as jactatio capitis nocturna, headbanging, headrolling, bodyrocking, bodyrolling, rythmie du sommeil. The term rythmic movement disorder is preferred as different body areas may be involved in the movement activity.

What are the symptoms?

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