Girls from the 4th year of elementary school to the 3rd year of high school have less sleep than boys, and the tendency to go to bed later and wake up later increases with age, says Masaru Tahara, Associate Professor, Graduate School of Medical Sciences, Hiroshima University, Waseda University. , was revealed in a survey by Tokyo Institute of Technology and the Benesse Educational Research and Development Institute.
According to Hiroshima University, Associate Professor Tahara and his colleagues will conduct a web survey in June 2021 to explore the relationship between children's lifestyles, health, and study habits, targeting a total of 6 men and women from the fourth year of elementary school to the third year of high school. gone.
As a result, it was found that children's sleeping habits tend to go to bed late and wake up late as they get older, and while the average sleep time for third-year high school students is as short as 3 hours and 6 minutes, it is 36 hours or more on holidays. rice field. The lack of sleep per week for elementary school students was about one hour in total on weekdays, but for high school students it increased from two and a half hours to three hours, and the average time difference between weekdays and weekends exceeded one hour.
There was no significant gender difference in waking up time on weekdays until junior high school students.However, in high school, girls tend to wake up earlier, probably because they wear makeup.Conversely, high school girls wake up about 30 minutes later than boys on holidays.
Children who suffer from lack of sleep or a large time difference between weekdays and weekends are more likely to complain of mental health problems such as getting tired easily and becoming irritable.
