Many students commute by car to their classes from their homes; at the Ohio State University, close to 30% of students commute.[18][19] Individuals with less than 6 hours of sleep are the most likely to fall asleep at the wheel and with the average university students getting that amount of sleep, the dangers are a real factor for students.[20][21] Once a student makes it to class, sleep deprivation will affect their ability to stay awake throughout the class.[20] Over 50% of students have fallen asleep in class.[21]