Sleep Clinics of Washington  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. WASHINGTON Sleep Disorders Center for Southwest Washington - Olympia - 206-493-7436 (ASDA Cert.) Sleep Disorders Center at the Sacred Heart Doctors Building - Spokane - 509-455-4895 (ASDA Cert.) Other resources: Washington, Sleep research centers, sleep doctors, sleep clinics | 
