The article from the Business insider is crystal clear: Be more productive, stick to your job, do your 40-hour work effectively and then power down. Spending too much time working has a tremendous negative impact on your health, family life, and productivity leading to depression, anxiety, low self- esteem, chronic fatigue and many other physical & mental diseases.
Poor reasoning, rough behavior and a dramatic fall-off in competence is what you get when overworking according to tones of statistical research. So hit the treadmill, spend time with your family, kids and friends, find time to enjoy your hobbies and work, work, work. It will do you good.