I was up all night the other night. Good reason; as surgical residents say, “saving lives, stamping out disease.” Things turned out well. However, I didn’t sleep. A problem. A health problem. The body needs sleep. We can’t be healthy without it. The Science of Melatonin is revealing some specific reasons why.  Melatonin is secreted by our brain. It happens at night, mostly while we are asleep. It is a “lights out” signal to tell the cells of our