Don't look directly at bright lights when driving. Look at the right side of the road. Watch the sidelines when someone coming toward you has very bright lights. Fatigue and Lack of Alertness. The body's need for sleep is beyond a person's control.
Most people are less alert at night, especially after midnight.
This is particularly true if you have been driving for a long time. Drivers may not see hazards as soon or react as quickly, so the chance of a crash is greater. If you are sleepy, the only safe cure is to get off the road and get some sleep. If you don't, you risk your life and the lives of others. Roadway Factors Poor Lighting.