drowsy driving drowsy driving Wikipedia: Sleep Deprived Driving https://en.wikipedia.org/wiki/Sleep-deprived_driving Drowsy driving https://en.wikipedia.org/wiki/Sleep-deprived_driving accidents are caused by sleepiness. https://en.wikipedia.org/wiki/Sleep-deprived_driving British study https://en.wikipedia.org/wiki/Sleep-deprived_driving Drowsy driving a quarter-million folks fall asleep at the wheel