Comparison Study of the ICON™ Auto Series With and Without SensAwake™ and ThermoSmart™ and Conventional Continuous Positive Airway Pressure in Obstructive Sleep Apnea Patients

Inclusion Criteria: * Aged 18-70 years with moderate-to-severe OSA (Apnea Hypopnea Index equal to or greater than 10 per hour). * Successful titration Polysomnography (PSG). * Fluency in both written and spoken English. Exclusion Criteria: * Participants prescribed and fitted with any PAP device in the past 2 years. * Contraindicated for CPAP or AutoCPAP therapy. * Any known factor or disease that might interfere with treatment adherence, study conduct or interpretation of the results such as severe psychiatric disease, history of non adherence to medical regimens, or unwillingness to comply with study requirements as determined by the principal investigator. * Other significant sleep disorder(s) that would interfere with their ability to wear CPAP as determined by the principal investigator. * Previous surgery for OSA or snoring or any surgery of the mouth, nose, sinuses or airways. * If SensAwake™ or ThermoSmart™ was disabled on the treatment arm (or conversely) during the study protocol. * If participants are required, by the nature of their employment, to comply with therapy. For example truck drivers or airline pilots. * If the physician objects to their patient taking part in the study.