Effects of Upper Airway Muscle Training on Obstructive Sleep Apnea Severity

Inclusion Criteria: * Age 21 to 50 * Diagnosed by a physician with mild to moderate OSA, based upon interpretation of data recorded on a take home sleep study * Body mass index \< 30 kg/m2 * Mild to moderate OSA, AHI of 5-30 Exclusion Criteria: 1. Apnea hypopnea index on overnight sleep study \> 30 per hour 2. Currently practices didgeridoo 3. Consumes more than 2 alcoholic beverages per day 4. History of chronic lung disease (e.g., COPD, asthma) 5. Oral maxillofacial issue or craniofacial musculoskeletal conditions 6. Any treatment for OSA (current or past) 7. Mobile device use frequency \< once per week 8. Homelessness 9. No reliable transportation to assessment sessions 10. Planned social/family/employment obligations that would limit participant from engaging in Asate Silent Sleep training during the intervention period 11. Significant upper extremity weakness/paralysis or pain limiting ability to hold the Medical Didgeridoo 12. Uncorrected low vision or blindness 13. Deafness 14. No Internet connection/Chrome browser/mobile devices with iOS and Android 15. No USB port in computer 16. Pregnancy