If you haven't had at least seven hours of sleep in the last 24, you probably shouldn't be behind the wheel, traffic safety data suggests. Katja Kircher/Maskot/Getty Images hide caption

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Katja Kircher/Maskot/Getty Images

Drivers Beware: Crash Rate Spikes With Every Hour Of Lost Sleep

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A bill in New York would allow police to examine drivers' phones to see whether they were using the device at the time of an accident. Getty Images/Image Source hide caption

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Getty Images/Image Source

New York Wants To Know: Have You Been Texting And Driving?

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Monitored by researchers and cameras, a study participant drives while using hands-free technology. New AAA research found that these technologies are distracting even after they're used. Dan Campbell/American Automobile Association hide caption

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Dan Campbell/American Automobile Association

A University of Utah volunteer drives through Salt Lake City's Avenues neighborhood as a camera tracks her eye and head movement. Another device records driver reaction time, and a cap fitted with sensors charts brain activity. AAA Foundation for Traffic Safety hide caption

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AAA Foundation for Traffic Safety

A woman uses a cellphone while driving in Los Angeles in 2011. Damian Dovarganes/AP hide caption

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Damian Dovarganes/AP