why does some peeps say that it can mix you up if you woke up early before school and reviewed the exam

why does some peeps say that it can mix you up if you woke up early before school and reviewed the exam?
if a person had an exam and wanted to review before school, does it really make a diff? does it affect the brain in somehow and mixes up the info? and if so is it scientifcally proofed?
Biology - 1 Answers - 2008-01-01 10:10:11

Best Answer
and how well do thoses peeps do on exams? You will always do better with a review before the test