Inclusion Criteria:  Male or female patient over 18 years of age Patient with OSA Patient not previously treated with CPAP A patient who will be treated with a ResMed Airsense 10 CPAP and an Air Liquide Medical Systems NINA mask Patient whose CPAP treatment will be installed and monitored by the home care provider AGIRADOM Patient willing to participate in the research after adequate information and delivery of the information note Patient affiliated to the social security system or beneficiary of such a system  Exclusion Criteria:  NOSE questionnaire score greater than or equal to 10/20 at the time of CPAP installation Patient with significant craniofacial deformities that do not allow the mask to be fitted correctly Person deprived of liberty by judicial or administrative decision, person under legal protection (patient under guardianship or curatorship) Article L1121-8 Subject who receives more than 4500 euros in compensation for his or her participation in other research involving the human person in the 12 months preceding this study