Community Health Advocates for Motivating PAP Use in Our Neighborhoods.

Inclusion Criteria - ≥ 18 years of age - Moderate-to-severe OSA - Available to attend study visits and sessions - Reliable access to a phone Exclusion Criteria - Prior or current use of PAP therapy or other treatment (e.g., oral appliance) for OSA - History of upper airway surgery for OSA - Moderate to severe insomnia - Commercial drivers - Use of non-standard PAP including adaptive servo-ventilation or bi-level positive airway pressure - Report of motor vehicle accident or near-miss due to sleepiness within the 2 previous years - Unstable medical conditions that may preclude enrollment in the protocol such as: uncontrolled angina and/or congestive heart failure, uncontrolled blood pressure or resistant hypertension, severe chronic obstructive pulmonary disease, cancer, and active psychiatric disease (e.g., major depression) - Other sleep disorders (e.g., circadian rhythm disorder) - Use of supplemental oxygen during wakefulness or sleep - Central sleep apnea, obesity hypoventilation syndrome or Cheyne-Stokes respiration based on the home sleep apnea test - Resting awake oxygen saturation (SpO2) \< 90% - Participation in another clinical trial Always talk to your doctor about whether this trial is right for you.