I studied, I met with medical doctors, scientists, and I’m here to tell you that the way to a more productive, more inspired, more joyful life is: getting enough sleep.

Source: "How to Succeed? Get More Sleep." TEDWomen 2010. Dec. 2010. Conference Presentation. Additional Information: According to this quote by journalist Arianna Huffington, getting more sleep is the secret to living a happier and more successful life. The quote is from Huffington's 2010 TED Talk on the subject of sleep and its importance. Watch the full TED Talk here: Arianna Huffington - How to Succeed? Get More Sleep