> I worry that people read studies like this and suddenly justify going out and driving while impaired. The keyword here is "impaired." It doesn't just have to

> I worry that people read studies like this and suddenly justify going out and driving while impaired. The keyword here is "impaired." It doesn't just have to involve drugs, being exhausted and attempting to drive is also very dangerous. Not just for you, but for everyone else on/near the road.