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 nonsurgical treatments for obstructive sleep apnea include behavior therapy, including weight loss, medications, dental appliances, continuous positive airway pressure, bi-level positive airway pressure, and auto-titrating continuous positive airway pressure.
CPAP (Continuous Positive Airway Pressure). The most effective treatment for obstructive sleep apnea, CPAP blows air down your throat at night to keep your airways open while you sleep.