A college education is a life-changing experience, but nobody said it was easy. On top of all the studying, you need to make sure you get enough sleep, figure out how to block distractions, and find ways to handle academic stress. Even if you do all that, let's face it, thinking is hard. But if you ask college students about the challenges they face, one particular problem seems to overshadow all those other issues – and it's an internal struggle that basically anybody can relate to.