February 13, 2012
7 Hours Sleep Optimal For Brain At Age 16

While 10 year olds benefit from 9+ hours sleep per night a new study finds that by age 16 optimal mental function is achieved with just 7 hours sleep per night.

A new Brigham Young University study found that 16-18 year olds perform better academically when they shave about two hours off that recommendation.

“We’re not talking about sleep deprivation,” says study author Eric Eide. “The data simply says that seven hours is optimal at that age.”

As I recall, I wasn't even getting that much since I couldn't get to sleep and then had to wake up too early to go to school. Turns out, schools really should not start that early. See my post High Schools Disrupt Natural Teen Sleep Schedules. So let the kids stay up late and go to school a couple of hours later and they'll function better. The science is clear. Maybe in 20 or 30 years public policy will catch up.

Share |      Randall Parker, 2012 February 13 10:44 PM  Brain Sleep

Mike said at February 14, 2012 12:01 AM:

Extra! Extra! Read all about it!
New study shows that the ideal consumption is 2200 calories per day! All citizens are advised to follow this guidance for optimal performance, despite the fact that short women will gain weight and that tall men will probably starve.
Nest week, Procrustes will discuss poorly designed and blindly interpreted studies which don't account for differences between people.

Ronald Brak said at February 14, 2012 5:57 PM:

It's pretty clear that starting school an hour later would suit more teenagers better than the current 9:00 or 8:30 start we have around here, even though that wouldn't be to everyone's benefit. But result is pretty clear 'cause people used like statistics and stuff more than once. It's certainly worth a trial in a school or two. Then we'll have to see what actually happens and if any problems arise. Of course, improved treatment for disease and contraception would probably help many teenagers rest easy, as might the development of roboprostitutes.

Joseph Hertzlinger said at February 19, 2012 6:49 PM:

Wasn't there a study that showed being sleepy aids creativity?

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