I watched Arianna Huffington being interviewed in Fareed Zakaria's GPS this morning. She spoke on the subject of sleep deprivation and what it could do to anyone, esp. politicians that includes demagogues like Trump and Rubio. She says, "Sleep is one of humanity’s great unifiers. It binds us to one another, to our ancestors, to our past, and to the future. No matter who we are, we share a common need for sleep."
You may like to read her article by clicking here.