When you think of living a fit and healthy life, nutrition and exercise often come to mind. But some studies show sleep is just as important. Eight Sleep is a start-up that creates smart beds that allow you to customize your sleep. Users can customize their sleep environment to get the most rest possible. Eight Sleep recently launched new integrations with Amazon's Alexa. Eight Sleep Co-Founder and CEO Matteo Franceschetti explains how your mattress will be integrated into your smart home. Mattresses aren't the only key to getting a good night sleep. Franceschetti also shares his own personal sleep routine that he says is key to his success.