With school day start times, study shows minutes matter

CINCINNATI (FOX19/CNN) - The battle to get enough sleep can be especially hard during the teenage years. Balancing school, a social life, and sometimes work, teens often forgo sleep trying to fit-in everything.

Now a new study published in the Journal of Developmental and Behavioral Pediatrics is showing just how much influence the start time for the school day can have on kids' sleep. Researchers tested it out at a boarding high school where it was easy to adjust the start time.

By delaying the beginning of the school day by 25 minutes, from 8:00 a.m. to 8:25 a.m., they found students:

  • Got better sleep the night before
  • Were less tired during the day
  • Had better moods
  • Relied less on caffeine

It's hard to believe a mere 25 minute delay could benefit kids so much. But some researchers think it all has to do with the circadian rhythms of sleep.

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