Evaluation of Treatment Efficacy of a Modified Positive Airway Pressure Device to Treat Obstructive Sleep Apnea

Inclusion Criteria: * Aged 18 and over * Diagnosed with OSA by a practicing physician and prescribed Positive Airway Pressure (PAP) - (Continuous Positive Airway Pressure (CPAP) or AutoCPAP). Participants can be naïve to CPAP or experienced users of CPAP. * For experienced users of PAP (CPAP or AutoCPAP): Using the PAP of more than 4 hours/night for 70% during the last 30 days (justification allowed by the investigator) Exclusion Criteria: * Contraindicated for PAP (CPAP or AutoCPAP) therapy * Persons with other significant sleep disorder(s) (e.g periodic leg movements, insomnia, central sleep apnea) * Persons with obesity hypoventilation syndrome or congestive heart failure. * Persons that require supplemental oxygen with their PAP (CPAP or AutoCPAP) device * Persons with implanted electronic medical device (e.g cardiac pacemakers) * Persons who are pregnant or think they might be pregnant.