Posted on 6/27/2025
Most drivers would never even dream of getting behind the wheel while intoxicated, but many don’t think twice about driving while exhausted. Yet, fatigue affects your body and brain in ways that are surprisingly similar to alcohol. When you’re tired, your reaction times slow, your focus drifts, and your ability to make quick decisions declines—all critical functions when you’re on the road. Let’s look at why driving tired is so dangerous and what you can do to stay safe when fatigue starts to creep in. What Happens to Your Brain When You're Sleep-Deprived Lack of sleep dulls your brain’s ability to process information and stay alert. Studies have shown that being awake for more than 18 hours can impair your driving as much as having a blood alcohol concentration (BAC) of 0.05%. After 24 hours without sleep, your performance drops to the equivalent of a 0.10% BAC—higher than the legal limit in all 50 states. When you&rsq ... read more