(HealthDayNews) -- Each year, drowsy drivers cause at least 100,000 accidents, according to Salem Hospital in Oregon.
Most people don't intentionally drive when they're feeling sleepy. But once behind the wheel, fatigue, lack of sleep, or certain medications may take over.
Learn to recognize the warning signs. You may be too drowsy to continue driving if you:
If you have any of these signs, find a safe spot and pull over. A 20-minute nap could save your life.