You know my performance might change imperceptibly with sleep, but the area where I know it makes a difference -- probably the most important area -- is how nic

You know my performance might change imperceptibly with sleep, but the area where I know it makes a difference -- probably the most important area -- is how nice I am to fellow human beings. I am a better co-worker, family member, client etc with sleep. They should look at aggression in animals rather than how well they do tasks.