University of Minnesota study

University of Minnesota study is the first to present data showing direct link between health-related behaviors and grades MINNEAPOLIS and ST. PAUL, Minn., Oct. 20
MINNEAPOLIS and ST. PAUL, Minn. Oct. 20 Lack of sleep,
excessive television/computer screen time, stress, alcohol and
tobacco use and other health-related issues are taking a toll on
students' academic performance, according to a study released today by the
University of Minnesota Boynton Health Service.
"The more days students get adequate sleep -- the better GPAs they
attain," Ehlinger said. "There is a direct link between the two.""Turning off the computer or TV and going to sleep is one of the best
things our students can do to improve their grades," Ehlinger said.