Is it? I'd wager most human beings can't just turn off their head when the clock hits 6 pm. So you will think about work, think about problems at work and your

Is it? I'd wager most human beings can't just turn off their head when the clock hits 6 pm. So you will think about work, think about problems at work and your mind will inevitable work on issues you experienced at work when you sleep. Sure, none of it visible, but I find the way we think about productivity highly questionable.