This is a cross-sectional study, with the objective of determining the risk of obstructive sleep apnea (OSA) in the elderly assisted in Primary Health Care (PHC). Of the 70 elderly people studied, 51 (72.9%) had an intermediate / severe risk of OSA. Correlation of OSA with female gender (p = 0.04), self-perceived health (p = 0.01), body mass index (p = 0.001), number of comorbidities (p = 0.002), arterial hyper...