Obstructive sleep apnea (OSA) is a common, devastating and costly condition. It affects an estimated 100 million people worldwide, of whom 18 million are in the US alone, and its societal costs are huge. A 2010 joint Harvard Medical School-McKinsey & Company report estimated that the annual cost of moderate to severe OSA in the US is between $65bn- $165bn, including diagnosis and treatment, hidden health-care costs (notably cardiovascular disease, with which moderate to severe OSA is strongly associated), traffic and workplace accidents, and absenteeism.
For decades, the go-to treatment for moderate to severe sleep apnea has been for the patient to wear a continuous positive airway pressure (CPAP) device during sleep. (Market dominators for...