Causes of Drowsy Driving

In 60 seconds, list all of the reasons you can think of that can cause a driver to be sleepy behind the wheel. There are several—how many can you identify?


Factors that increase the risk of drowsy-driving include:

  • Sleep loss (ex: chronic sleepiness, acute sleep loss)
  • Sleep-restrictive work patterns such as night shifts, overtime, and rotating shifts
  • Change in driving patterns, such as changing the time of day or amount of time spent driving
  • Use of Sedating Medications, either prescriptions or recreational drugs
  • Untreated Sleep Disorders such as Sleep Apnea Syndrome and Narcolepsy
  • Consumption of alcohol, which increases drowsiness and impairment