The DRS stands for Drag Reduction System, which enables a car to open its rear wing to limit the downforces on the car. This increases the car's theoretical performance and in theory facilitates passing.
The surgical treatments for obstructive sleep apnea include nasal surgery, palate surgery (including uvulopalatopharyngoplasty [UPPP]), upper airway stimulation therapy, tongue reduction surgery, genioglossus advancement, maxillo-mandibular advancement, tracheostomy, and bariatric surgery.
What sleep apnea treatment is best for you? Consider ways to address the cause as well as additional options such as continuous positive airway pressure (CPAP) therapy, oral appliances from a dentist, surgery, weight loss, and other options.