The data displays the percentage of high school students in the United States who slept less than 8 hours on an average school night as of 2016, by grade. It was found that 77.6% of grade 12 high school students slept less than 8 hours a night.
Grade 9 | 65.6 |
Grade 10 | 71.7 |
Grade 11 | 77.1 |
Grade 12 | 77.6 |