“…It appears that what was once not so complicated is, in fact, now complicated and controversial. [7][8][9] In this issue of the Journal of Clinical Sleep Medicine, Parthasarathy and colleagues 10 deploy a multicenter prospective comparative effectiveness approach to assess the effect of sleep medicine board certifi cation of physicians and AASM accreditation of sleep centers on selected patient centered clinical outcomes in a cohort of 502 subjects with OSA diagnosed by polysomnography conducted in the United States. The primary end point for analysis was objectively derived adherence to positive airway pressure (PAP) therapy.…”