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.
Sleep apnea facts. 1  Sleep apnea is defined as a reduction or cessation of breathing during sleep. 2  The three types of sleep apnea are central apnea, obstructive apnea, and a mixture of central and obstructive apnea.  Central sleep apnea is caused by a failure of the brain to activate the muscles of breathing during sleep.
Sleep apnea is a sleep disorder where a person has trouble breathing, or even stops breathing, while they sleep. It can be treated through surgery, or the use of a c-pap (cont â¦ inuous positive airway pressure) machine. 1 person found this useful.