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.
Sleep Apnea. Sleep apnea is a disorder in which breathing is disrupted during sleep. The brain will automatically restart the process, often without the subject's conscious awareness, but there is a physical toll. At minimum, sleep apnea results in daytime fatigue.