11/07/2012 08:35 am ET Updated Nov 07, 2012

Surprising Sleep Habits Of Past Presidents

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Congratulations, President Obama! The people have spoken, and they want you to have the most stressful job in America!

As the President of the United States, you face a number of obstacles, and we don't mean just the national debt. With the most stressful job in the country comes a whole host of barriers to achieving optimal health.

With such a hectic schedule, it might seem impossible to fit in adequate exercise, unless, of course, you're willing to hit the gym before dawn. It can be tough to eat whole, homemade or unprocessed foods when you're constantly traveling between time zones. And all that stress can put you at risk for heart problems, stroke, depression and memory issues, not to mention stress makes it tough to form the best decisions and can totally screw up your sleep.

In fact, work stress keeps 46 percent of Americans up at night, according to a 2012 study, and stress in general causes 65 percent of people to lose sleep.

President Obama, we know a bit about your sleep habits already: You're a self-described night owl, and have a White House operator call you every morning when it's time to get up.

And we know you've suffered a reportedly sleep-deprivation-fueled gaffe when you said that 10,000 people died due to a tornado in Kansas when the actual death toll was 12. (To be fair, Governor Romney made his own misstep chalked up to a lack of sleep when he said he would "never remember Iowans" when of course he meant to say he'd never forget them.)

But you're not alone. In fact, a number of past presidents also had some surprising sleep habits. Here's a look at some of the most notable.

Sleep Habits Of The Presidents