ASMS was established in 1994 by S.K. Mostafavi, M.D., F.C.C.P., F.A.A.S.M., one of the pioneers and first Board Certified sleep specialists in Southern California. What began as a simple one bedroom lab dedicated to improving the lives of those afflicted with sleep disorders has evolved into a full service sleep diagnostic and related DME organization, with multiple conveniently located facilities throughout the region.