Abstract
Chronic Obstructive Pulmonary Disease (COPD) is a systemic and pulmonary disease that, in association with other diseases, such as Obstructive Sleep Apnea Syndrome (OSAS), may cause greater impairment of functional performance and quality of life. However, it is little known about the coexistence of COPD and OSAS and its impact on the autonomic cardiovascular system and functional impairm…