[L-dopa-responsive dystonia: 2 familial cases of adult onset with sleep disorders]. / Dystonie sensible a la L-Dopa: deux cas familiaux a début chez l'adulte avec troubles du sommeil.

A woman and her son had progressive dystonia and chronic insomnia at 32 and 19 years of age respectively. Levodopa was markedly effective at low dose both for dystonia and insomnia without dyskinesia over a 5-year follow-up period.