Adjustable rear wing -. Drag Reduction System (DRS) New FIA moveable bodywork technical regulations for 2011 have allowed adjustment of the rear wing from the cockpit at any time in practice and qualifying, but only when a driver is less than one second behind another car at a pre-determined point on the track during a race. Braking deactivates the device.
The person with sleep apnea is usually unaware of this. The interruption to breathing can occur hundreds of times a night, resulting in markedly fragmented sleep. As a result, people with sleep apnea feel excessively sleeping during their normal waking hours.
Hypopnea during sleep is classed as a sleep disorder. With moderate to severe hypopnea, sleep is disturbed such that patients may get a full night's sleep but still not feel rested because they did not get the right kind of sleep.