Most people know the dangers of drinking and driving, but think nothing of getting behind the wheel after a sleepless night. But the daytime effect of little or no sleep can hinder your driving skills to the point where you're impaired as if you've had too much to drink.
People with insomnia are more likely than well-rested people to have a car crash due to fatigue. Lack of sleep is also the cause of over 7% of all serious accidents in the workplace.