"Go to sleep...", "Go to sleep ...", "If you tired be quiet and go to sleep..." was reverberating in my mind, randomly, one Sunday evening. I have no idea why my brain was conjuring Ludacris, but it got me thinking, which is something I do way too much of. How does sleep or the lack thereof impact performance or mood - especially financially? So, on a restless evening, I popped open my laptop, headed over to Google scholar, and started doing some research. Lo and behold, ther