Prevalence of short sleep duration* on an average school night among high school students, by state — Youth Risk Behavior Survey, 20152018-01-312018-01-31https://thegraysonschool.org/wp-content/uploads/2015/08/grayson_loop.gifhttps://thegraysonschool.org/wp-content/uploads/2015/08/grayson_loop.gif200px200px
