Evaluation of a Wearable PAP Device in a Tethered Configuration for the Treatment of Obstructive Sleep Apnoea.

Inclusion Criteria: • Participants willing to give written informed consent * Participants who ≥ 18 years of age * Participants who can trial the APL mask system for up to 7 nights * Participants willing and able to complete the specified tasks * Participants being treated for Obstructive Sleep Apnea (OSA) for ≥ 3 months\* * Participants on APAP therapy\* * Participants currently using a Resmed AirFit N20 Medium mask\* * Participants who are employees of Resmed\^ * Only applicable to participants with OSA \^ Only applicable to internal participants Exclusion Criteria: * Participants using Bilevel flow generators * Participants who are or may be pregnant * Participants with a preexisting lung disease/ condition that would predispose them to pneumothorax (for example: COPD, lung cancer; fibrosis of the lungs; recent (\< 2years) case of pneumonia or lung infection; lung injury. * Participants (or participants bed partners) with active medical implants that interact with magnets (i.e., pacemakers, implantable cardioverter defibrillators (ICD), neurostimulators, cerebrospinal fluid (CSF) shunts, insulin/infusion pumps). * Participants (or participants bed partners) with metallic implants/objects containing ferromagnetic material (i.e., aneurysm clips/flow disruption devices, embolic coils, stents, valves, electrodes, implants to restore hearing or balance with implanted magnets, ocular implants, metallic splinters in the eye) * Participants who are currently enrolled in other clinical studies * Participants believed to be unsuitable\* for inclusion by the researcherꝉ