Frank O. Horton III, MD, sleep medicine practitioner in northwest Ohio and southeast Michigan and an accreditor for sleep clinics across the country, died Oct 10 in his Sylvania Township home, reports The Toledo Blade.

He saw patients in Toledo for more than 35 years, starting a pulmonary practice at Toledo Hospital in 1979. He soon added the specialty of sleep medicine, which he saw as a nearly unexplored area, his son Nicholas said. By about 2005, his work was heavily focused on sleep medicine and through the years he oversaw ProMedica’s expansion of its sleep labs from one to about seven.

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