Did you know that your ______ shrinks when you are tired? Your peripheral vision and color perception are among the things that decrease as you grow tired. Your ability to see colors and nearsightedness is also affected. Your iris also weakens and your car becomes hesitant after a long drive. Driving is not recommended for those who are prone to falling asleep while driving. Instead, take a nap before you go out to drive.
A depressed driver will not be able to perceive everything in front of them, including their surroundings. If you have noticed that the driver is acting oddly or has an erratic driving style, it is time to consult a doctor. Your peripheral vision may also be affected by sagging eyelids. Although caffeine may increase your energy, it can also affect your appearance. The brain is complex.