Home » Ortho Related » Medications » Flurazepam / Dalmane Flurazepam / Dalmane - for insomnia; - benzodiazepine, sedative hypnotic; - Adults: 15-30mg PO qhs prn; must reduce dose in elderly; Note has 1 active metabolite; and that one (Desalkylflurazepam) has t/2== > 96hr