Clinical Research Directory

Inclusion Criteria: A subject must meet all of the following inclusion criteria to be eligible for inclusion in this study: * Age above 18 years not under guardianship, under curatorship or under judicial protection. * Body Mass Index (BMI) \< 35 kg/m2. * OSA (15 \< AHI \< 80 events/h sleep) documented by a sleep study performed during the past 24 months in the absence of any major weight change or other medical issues. * Subject must be eligible for a diagnostic DISE or surgical procedure (acute study measures only). * Written informed consent obtained from the subject prior to performing any study specific procedure. * Willing and capable to comply with all study requirements, including specific lifestyle considerations, evaluation procedures and questionnaires for the whole duration of the trial. Exclusion Criteria: Subjects meeting any of the following criteria will be excluded from participation in this study: * Major anatomical or functional abnormalities that would impair the ability of the electrode arrays to be positioned. * Significant comorbidities that contraindicate surgery or general anesthesia/DISE * Significant tongue weakness * Any other chronic medical illness or condition that contraindicates a surgical procedure or general anesthesia/DISE in the judgment of the investigator. * Prior surgery or treatments that could compromise the placement and effectiveness of the electrode array systems: * Airway cancer surgery or radiation, * Mandible or maxilla surgery in the previous 3 years (not counting dental treatments), * Other upper airway surgery to remove obstructions related to OSA in the previous 3 months (e.g., uvulopalatopharyngoplasty (UPPP), tonsillectomy, nasal airway surgery), * Prior hypoglossal nerve stimulation device implantation. * Currently pregnant, or breastfeeding during the study period