State Farm has received a patent for a system that includes a wearable computing device that could alert driver  show signs of being drowsy, distracted, or drunk, reports the Chicago Tribune.

Trips could also be analyzed over time and suggestions made to motorists, including even “drinking a caffeinated beverage shortly before operating the vehicle at high impairment times,” the patent said.

The alerts could be provided through smart watches, wireless headsets, computer-enhanced glasses or clothing with embedded microprocessors. The company’s patent envisions optic sensors to detect, among other things, head nods and the duration of blinks, which would help calculate a drowsiness score.

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