The author states that a school in Edina, Minnesota changed the start time from 7:25 a.m. to 8:30 a.m. Both parents and students have said that they are pleased with the results. Students have said that they are awake during the first class period and that fewer students are falling asleep in class. The author says that part of the problem is chemical; the hormones in the student’s bodies are making it hard for them to fall asleep before 11p.m. and harder for them to wake up in the morning in time for