Can you feel sleepy while driving even if you have had enough sleep?

Even if a driver has had enough sleep, they may still feel drowsiness, especially in the early hours of the morning (between 3:00 and 5:00) and in the early afternoon (just after eating, during digestion, between 14:00 and 16:00). The most important rules to avoid having an accident due to drowsiness or fatigue are: - If we feel tired or sleepy while driving, the most advisable thing is to stop and rest in a suitable place and sleep for about 20 to 30 minutes. - Rest for 20 to 30 minutes every 2 hours or every 200 kilometres at most. - Always be alert to the signs and symptoms of drowsiness or fatigue.