This site is optimized for Version 4 and newer browsers with JavaScript enabled. It depends on a person's physical and mental capabilities. Medication, normal changes associated with age, health problems or a combination of any of these can slow reflexes and affect alertness. It's important for drivers to be able to assess hazardous situations and react quickly.
Many people can choose the time they drive.
You may want to avoid driving at night or during rush hour. You should also avoid driving after taking any medication that could affect your ability to make decisions or react to hazards. I have never had an accident. Even if you have never been in an accident, health problems, slower reflexes or medication you take may affect your ability to drive.