A sleep medicine fellowship provides physicians from sponsoring specialties comprehensive training in the diagnosis and management of sleep and circadian disorders in all age groups. Sleep Medicine Programs have been training physicians in clinical sleep medicine since the 1970’s; however, fellowship programs only achieved ACGME accreditation in 2005. Soon there after sponsoring board subspecialty examinations began certifying passing graduates from the specialties of: Internal Medicine, Pediatrics, Family Practice, Pulmonary Medicine, Psychiatry, Neurology, Otolaryngology, and Anesthesia.
The American Academy of Sleep Medicine has a Program Directors Council linked here. http://www.aasmnet.org/fellowshipdirectors.aspx
Here is a link to all of the sleep fellowships that participate in the match. AAMC