A case report of REM sleep behavior disorder, Behcet’s disease, Sjogren’s syndrome and cognitive dysfunction

Background Behcet’s disease and Sjogren’s syndrome is an autoimmune disorder from which many systems of the body can suffer. Here we reported a patient with a history of Behcet’s disease and Sjogren’s syndrome in which REM sleep behavior disorder (RBD) was then detected by polysomnographic (PSG) monitoring.