Thank you for volunteering information on your use of positive airway pressure or PAP (i.e. CPAP, BiPAP and APAP) and your use of oxygen, if you use both therapies. This survey is meant for individuals who have a diagnosis of BOTH chronic obstructive pulmonary disease AND obstructive sleep apnea. We greatly appreciate the feedback and information you choose to provide to us; this information will help the COPD Foundation and American Sleep Apnea Association better understand community needs. Thank you!