Exactly, robots aren't constrained by a need for sleep; and is likely more aware of it's surroundings vs. a human facing the same conditions. A driverless car c

Exactly, robots aren't constrained by a need for sleep; and is likely more aware of it's surroundings vs. a human facing the same conditions. A driverless car can "see" in infrared or radar just as easily as it can visible light (potentially better).