We conducted a secondary sleep quality survey, the results showed that most high school students sleep less than seven hours, some students even less than six hours. This situation was very much lower than the standard eight hours of sleep.

We have carried out a survey among secondary school students, the results revealed that quality sleep most people sleep less than 7 hours, secondary school students, some students even less than 6 hours. This situation has significantly less than 8 hours of sleep.

We have carried on a middle-school student sleep quality investigation, discovered after the result, the middle-school student majority people rest the insufficient seven hours, some student even insufficient six hours.This situation is lower than eight hour sleep standards greatly.

We conducted a survey of sleeping quality of middle school students, found that less than seven hours of sleep most of middle school students, some of them even less than six hours. This is significantly lower than the eight hours of sleep standards.

We conducted a survey of sleeping quality of middle school students, found that less than seven hours of sleep most of middle school students, some of them even less than six hours. This is significantly lower than the eight hours of sleep standards.