Taewon Kim, an electrical-engineering systems graduate student, sleeps in the library on the campus of the University of Michigan in Ann Arbor, Mich. Some schools are giving students what a growing body of research reveals could make a big difference in their academic endeavors; namely, earplugs, sleep shades and napping lessons, to help them get more sleep. (Associated Press)

Taewon Kim, an electrical-engineering systems graduate student, sleeps in the library on the campus of the University of Michigan in Ann Arbor, Mich. Some schools are giving students what a growing body of research reveals could make a big difference in their academic endeavors; namely, earplugs, sleep shades and napping lessons, to help them get more sleep. (Associated Press)