High school students should get nine to 10 hours of sleep a day or their academic work can suffer.
High school students should get nine to 10 hours of sleep a day or their academic work can suffer. minemero Getty Images/iStockphoto
High school students should get nine to 10 hours of sleep a day or their academic work can suffer. minemero Getty Images/iStockphoto

School start times a factor in sleep

March 25, 2016 07:41 PM