In this article, you may know How to Avoid Sleep While Studying? What to Eat to Avoid Sleep while Studying? How important is sleep for students? Students need adequate sleep in order to learn effectively. The National Sleep Foundation reports that students who get enough sleep have better grades and are more focused and energetic. In a recent study, it was found that students who got less than 6 hours of sleep a night had lower IQs than those who got 8 or more hours of sleep.