We worship overwork and its pervasiveness makes it seem inevitable. People who leave office early or use flexible timing options are termed slackers by their colleagues. So, working for only four days a week and being more productive and creative seems counter intuitive and challenges all our conventional notions of work and our workweek. In his book Shorter, Dr. Alex Soojung-Kim Pang makes an argument for a shorter workweek - a 4-day workweek.