What if teenagers could go to school later?



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Radio France International documenthealth and wellbeing

February 14, 2019

In the city of Seattle, USA, it has been proposed that adolescents enter school one hour later to better adapt to their natural life cycle. One study confirmed that this simple change helps concentration and, by the way, recover the lost sleep of young people.

Young people have to sleep between 8 and 10 hours a night.
Young people have to sleep between 8 and 10 hours a night. – iStock

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Getting up early for a boy is usually a test But have you wondered why? Probably not just by whim, but rather by a biological reason related to puberty, growth and hormones …

The city of Seattle in the United States, he decided to act and, two years ago, he changed the school entry hours so that teenagers could start an hour later, from 7:50 to 8:45.

A team of scientists from the city he studied the impact of this change. The results of this comparative study have been published in the scientific journal Advanced Sciences, showing that boys they improved their concentration in the courts, in addition to avoiding delays and absences, not to mention that they took an hour of sleep, which is very important, considering the fact that a young person has to sleep between 8 and 10 hours per night, but in reality he has a serious deficit of sleep hours.

This is because in adolescence, the circadian rhythm (biological rhythm) it is modified and thus the sleep cycle. In particular, young people go to bed later, around midnight, and asking them to get up early the next day is almost impossible.

The sleep cycle is changed when adolescence arrives.
The sleep cycle is changed when adolescence arrives. – Pixabay CC0 Wokandapix

In addition to the modified circadian rhythm in adolescents, the use of screens and smartphones in the night, this affects the process of sleep, by the blue light that they emit.

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But not only in Seattle are changing the schedules of entry. In France, The president of the metropolitan area of ​​Ile de France, Valérie Pécresse, recently proposed to the Minister of Education, Jean Michel Blanquer, to change the school calendar the 500 thousand students in high school in the region, that is to say, start clbades later at 9 am instead of the usual 8:30 am.

For the moment, this is only a proposal, but some schools in Paris, such as the Lycée public Charlemagne, they are making changes in this direction, as is the case of Rafael, of the Lycée Charlemagne, student in "Second", which corresponds to the first year of high school.

Interviewed: Horacio de la Iglesia, professor in the Department of Biology of the University of Washington (Seattle), Rafael and Louise, French high school students.

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