Evaluation of APAP With SensAwake in OSA and Insomnia Patients

Inclusion Criteria: * Older than 18 years of age. * Diagnosed with OSA and eligible for CPAP treatment under local requirements (AHI\>30 with no more than 20% of central respiratory events) * Naïve to CPAP therapy, i.e. have not been prescribed, or used CPAP in the last 5 years. * Fluent in spoken and written French Exclusion Criteria: * Significant uncontrolled cardiac disease, as per the principal investigator's discretion, and/or Left Ventricular Ejection Fraction (LVEF) \< 45% * Co-existing lung disease, as per the principal investigator's discretion * Co-existing sleep disorder, such as predominant central sleep apnea * Previous or current diagnosis of sleep phase delay * Pregnancy * Participants that are unable or unwilling to give informed consent * Receiving cognitive behavioral therapy or other intervention to treat insomnia. Subjects may be using hypnotics, but there shall be no change in hypnotic use during the protocol or 4 weeks preceding enrolment into the study. * Diagnosed with clinical depression and/or currently using anti-depressants and/or anti-anxiolytics within the last 6 months. * Hospital Anxiety OR Depression score \> 11 * Participating in another research study for the duration of participation in this study. Participation in an observational study or genetic study is permitted at the discretion of the investigator. * Patient protected by the Law, under guardianship or curators, as defined in Public Health Code in articles from L1121-5 to L1121-8. * Patient not covered by a health insurance