Sleeping is as important as studying:
In a new study, scientists had more than 500 high school students document how long they studied and slept over two weeks. They also had them note any negatives during that period—things like not understanding a lecture. The researchers found that the students who studied a lot at the expense of sleep had significantly more issues than those who kept a more balanced study schedule.
Maggie Koerth-Baker broadens the debate:
This study is really about chronic sleep deprivation, habits and behaviors that happen over weeks and months. Along with several other studies that have come out in recent years, it helps build a persuasive case not against occasional cram sessions, but against academic routines that all-but require students to operate constantly on an abnormal sleep cycle.
The Dish 