Semi trucks keep the economy moving. Without them, most store shelves would empty out within a few weeks. However, these behemoths of the road also endanger the driving public. They are huge, sometimes weighing as much as 80,000 pounds. Their height and length make them much less stable than a car. This is why truck drivers must remain focused and alert while driving. A good night’s sleep is essential for this, yet for some truck drivers, even 8 hours of sleep isn’t enough rest for safe driving. That’s because a.

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