Entrepreneurs are notorious for working countless hours to achieve their business goals. When fully grinding, 18 or even 20 hour days are becoming more commonplace. While devoting these extra hours towards your venture, another aspect of your life suffers directly. It’s sleep. And it’s more important than you think.

Today, we look at the science behind it, and for those who refuse to decrease their business hustle, we give you the essential tips to help keep your mind fresh and your body healthy during these long days.