Sleep Clinics of Rhode Island  Please let us know about your sleep disorder clinic! (ASDA Cert.) - Certified by the American Sleep Disorders Association. For a current list of members, contact gmader@millcomm.com. RHODE ISLAND Rhode Island Hospital Sleep Disorders Center - Providence - 401-444-4269 (ASDA Cert.) Other resources: Rhode Island, Sleep research centers, sleep doctors, sleep clinics |