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.
Mild Sleep Apnea By Definition. Mild cases are actually mild cases of obstructive sleep apnea (OSA). After a polysomnography, the AHI ratings can be properly determined. 5 to 15 AHI per hour during sleep is considered as a mild case. Mild cases are often not at much risk, and treatment for these cases is not too complicated.