We are being told by various personalities that Obama's problem is that he isn't showing enough emotion. The logic seems to be that the presidency is divinity in man, and invested with such power that through sheer wrath, it's wielder can literally heal the world. Perhaps, more fairly, the logic is that the American people want their president to reflect their own sense of outrage and anger, results be damned.
Most Americans don't get enough sleep. More and more employers are trying to help address that.