[Sleep-wake rhythm disorders in the framework of a Diogenes syndrome. Improvement in sleep architecture using supportive treatment with zolpidem].

In a 72-year-old man suffering from the Diogenes syndrome, but with no other pathologies (no dementia, no underlying depression), marked disorders in the sleep-wake rhythm developed. Treatment with zolpidem brought about an improvement in the sleep architecture. Psychotherapy, largely behavioral treatment, resulted in partial reintegration of the patient.