Perchance To Dream

I once had a heated conversation with an elderly physician who was trying to tell me there's nothing wrong with medical students and interns being on duty for hours on end or getting only a few hours of sleep between long shifts. It was like a badge of honor for him. He said their bodies get used to it. Yeah, right: http://www.care2.com/greenliving/7-surprising-signs-you-need-to-sleep-more.html?page=1