They believe that sleep deprivation or sleep disturbances may affect the immune system's ability to function at an optimal level.

CNN: Study: Can more sleep help fight off colds?

But their side-effects can upset the function of the body's immune system, which could be crucial in a severely injured patient, who needs to fight potential infection.

BBC: Heading for trouble

If it is high, the system could automatically engage a "Do Not Disturb" function for the driver's phone.

WSJ: Designing a Car That Takes Your Pulse, Senses If You're Ill

They have developed a program that filters out the noise in much the same way that the human brain's reticular activating system filters out most of our sensual stimuli, and only passes on the information we need to function and survive.

ECONOMIST: MONITOR

"Immigration reform will strengthen our nation's security by helping us identify exactly who has entered our country and who has left -- a basic function of government that our broken immigration system is incapable of accomplishing today, " said South Carolina's Lindsey Graham and Arizona's John McCain.

CNN: Boston terror fears raised at Senate immigration hearing