Uvulopalatopharyngoplasty May Reduce the Incidence of Dementia Caused by Obstructive Sleep Apnea: National Insurance Service Survey 2007–2014 Uvulopalatopharyngoplasty May Reduce the Incidence of Dementia Caused by Obstructive Sleep Apnea: National Insurance Service Survey 2007–2014 Download Use of Sedative-Hypnotics and Mortality: A Population-Based Retrospective Cohort Study Validating the Watch-PAT for Diagnosing Obstructive Sleep Apnea in Adolescents