University Of Minnesota’s Boynton Health Service Out….

with a new study out on a study of over 24,000 college students and GPA.

From report:

The worse in physical shape you were, the lower the GPA.
High amounts of bad mental health caused a lower GPA.
Students that have health insurance have a higher GPA.
Students who had few bad nights of sleep have a higher GPA.
The more a person gambles, the lower the GPA.
The more you smoke, the lower the GPA.