Pilot Study of the CHILLS Cryotherapy System for the Treatment of OSA

Inclusion Criteria: Likely suffer moderate to severe OSA based on history and physical or have an established diagnosis of moderate to severe OSA (AHI ≥ 10) based on a prior sleep study. A confirmation baseline sleep study will be performed after enrollment to verify AHI ≥ 10 and ≤ 50, and mixed and central apneas total ≤ 25% of apneas for continued eligibility. Have either failed Positive Airway Pressure (PAP) therapy or decline PAP therapy BMI of 25 - 40 kg/m2 at enrollment Negative result for COVID-19 polymerase chain reaction (RT-PCR) test and absence of clinical symptoms for long COVID-19 relating to deterioration of taste, smell. Exclusion Criteria: Unable or incapable of providing informed written consent Unwilling or incapable of returning to all follow-up visits and sleep studies, including evaluation procedures and filling out questionnaires