Driving while sleepy or tired is known as “drowsy driving,” and it’s very dangerous. Fatigue slows your reaction time and may cause you to fall asleep behind the wheel — even for just a few seconds. That’s enough to cause an accident.Risks of drowsy driving:Poor focus and attentionSlower reaction timeRisk of veering off your lane or roadFalling asleep and crashing into other vehicles or barriersIf you feel drowsy:Pull over and restTake a nap or drink coffeeAsk someone else to drive if you’re on a long tripYour life — and others’ — is more important than reaching your destination on time.