We're productive 4-6 hours a day. Anything longer than 8 hours really is a waste of your time. As you get older you find your time is more important as there is

We're productive 4-6 hours a day. Anything longer than 8 hours really is a waste of your time. As you get older you find your time is more important as there is finite time on this earth. If you don't have a life outside work then you really need to reassess your priorities.