Let Them Sleep: Researchers Prove Adolescents Need To Sleep In!

Posted on June 12, 2008. Filed under: wellbeing | Tags: , , |

So you can’t wake your adolescents in the morning for school? They get up grouchy and can’t seem to string two words together? Researchers have found out why…

Delaying school start time by one hour positively

affects adolescents’ cognitive performance

Delaying an adolescent’s school start time by one hour has a positive effect on his or her cognitive performance, according to a research abstract that will be presented on Thursday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies.

The study, authored by Orna Tzischinsky, PhD, of Emek Yezreel College in Israel, focused on 47 eighth graders from two classes, who were divided into experimental and control groups for a two-week period.

On week one, the experimental class began their school day one hour later than usual (at 8:30 a.m.), while the control class began at the regular time (7:30 a.m.). On week two, both classes began at 7:30 a.m. The subjects were asked to maintain their habitual sleep-wake pattern. Actigraphs were worn to monitor sleep-wake patterns. On the fifth day of each week, the students performed a cognitive test.

According to the results, during the first week, the experimental class woke up 51 minutes later on average than the control class, while during the second week, the experimental and the control class woke up at the same time. Bedtime and sleep efficiency remained the same during both weeks.

“The cognitive tests showed better performance with the experimental group in comparison to the control group on the first week,” said Dr. Tzischinsky. “The results demonstrate that longer sleep duration positively affects cognitive functioning.”

It is recommended that adolescents get nine hours of nightly sleep. (Physorg.com)

Your teenagers are going to love this, high schools need to take note of this and perhaps now we parents are able to understand why our kids are acting the way they are. They’re not shiftless, they’re just tired.

As a parent of 4 children the last now 14 I understand the frustrations of getting them to bed at night and out of bed in the morning. It is worth the struggle to get them into their beds a little earlier so that they can get the amount of sleep a fast growing teenager needs. Not only is all their energy going into growing, thier brains are also growing at an enormous rate all of this growing uses up a lot of energy and these kids need their sleep.

Be Fit! Be Well! do it online…


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