They're asking students heading home for the holidays to make sure they get enough rest before driving.
Long nights cramming for final exams often leave students with little time to sleep.
Drowsy drivers have a much slower reaction time, and falling asleep at the wheel can be deadly.
MAJ Tom Longo with the FSU Police Department says, "Don't try and rush home soon as your exams are done, get yourself at least six hours of rest, good sleep before you try and drive anywhere."
Authorities say don't depend on caffeine and cold air to keep you awake. They suggest you ride with a friend. The National Transportation Safety Board estimates each year 56,000 accidents are caused by drowsy drivers.