The effect that lack of sleep has on your safe driving ability is the same as:

The effect that alcohol has.
The effect that aggressive driving has.
The effect that amphetamines have.
The effect that lack of coffee has.
Explanation

Lack of sleep has a similar effect on safe driving ability as alcohol. When you are sleep-deprived, it impairs your vision, reaction time, and judgment, similar to the effects of alcohol and drugs. Fatigue can make you drowsy, reduce your alertness, and increase the risk of falling asleep at the wheel. In fact, drowsy driving can be just as dangerous as drunk driving.

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