Seven-Hour Sleep Significantly Improves Test Results For Teenagers

A recent study revealed that teenagers who had seven hours of sleep had (academically) improved test results.

Researchers from Brigham Young University reported that seven hours of sleep significantly improves tests results as compared to the recommended eight to nine-hour sleep.

Eric Eide and Prof. Mark Showalter made a study to determine the impact of sleep duration and quality on people's education and health.

They wanted to determine if they could link sleep to academic productivity. Gathering data from 1,724 primary and secondary students across USA, they found out a significant difference between students who slept 7 hours and students who slept more or less than 7 hours at different age groups.

These results were:
  • 10-year olds - optimal amount of time to sleep was 9-9.5 hours each night
  • 12-year olds - optimal amount of time to sleep was 8-8.5 hours each night
  • 16-year olds - optimal amount of time to sleep was 7 hours each night 
They were right, the amount of sleep had a significant impact on academic performance.

However, increasing sleeping hours doesn't necessarily mean better.

 According to Eric:

"We're not talking about sleep deprivation. The data simply says that seven hours is optimal at that age."

Showalter added:

"Most of our students at BYU, especially those that took early-morning seminary classes in high school, are going to realize that 9 hours of sleep isn't what the top students do."

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