Working twice as hard for half as much is tiring.
A good blog in Psychology Today explores the connection between ADHD and fatigue.
“Have you ever used the phrase, “It makes me tired just thinking about it”? Henry Ford reportedly said something along the lines of: “Thinking is hard work. That may be the reason so few engage in it.” There is some truth to the notion that thinking is a strenuous physical activity, witnessed by the fact the human brain weighs in at about 2 percent of our whole...