 has a busy school and extracurricular schedule, or if they have a part-time job, they're more likely to be sleep-deprived and engage in drowsy driving. Encourage your teens to get a good night's sleep, especially if they have several places to go the next day, but also educate them on the dangers of drowsy driving and teach them to recognize the signs, such as frequent yawning, droopy eyes, or an increase in blinking, drifting into other lanes, missing road signs, or the inability to remember the last few miles.