Can you have an accident due to drowsiness without having fallen completely asleep?

A)Yes, but only at night.
B)No.
C)Yes, the first symptoms of drowsiness already affect driving.Correct
It is not necessary to fall completely asleep to have an accident due to drowsiness. While driving, the risks related to sleepiness appear long before the driver actually falls asleep. The first symptoms of drowsiness already affect driving.