The purpose of sunlight and darkness is so we can keep our internal time clock in check. It allows us to be awake during daylight hours, and sleep during the dark ones. If you are at all like me, you have a severely messed up inner clock. I am most alert between the hours of 3:30 and 7:30 am. No matter what I do, I can’t change that fact. I have to concentrate extremely hard to get anything accomplished after 10 am. There is nothing I can do about it. I have tried …read more