Fatigued drivers cause an estimated 100,000 crashes on Americas roads each year. And that's just a conservative guess by The National Highway Traffic Safety Administration .
Those crashes claim the lives of 1,500 people and injure another 71,000.
Here are the 7 warning signs from the National Sleep Foundation that you need to pull over and rest:
Here are some tips on how you can combat fatigued driving and fall-asleep crashes.
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