The Presidential Daily Brief


  1. Sleepy teenager

    High School Schedules Could Be Affecting Teens’ Brains

    Staying up all night might not be teenage rebellion: A new study suggests that for natural night owls — like most teenagers, due to changes in circadian rhythms during puberty — sleeping on an artificially early schedule might affect memory, learning and emotional self-regulation. That means high school schedules and teens’ sleep cycles are fundamentally mismatched. While some schools are heeding recommendations from sleep experts that classes shouldn’t start until at least 8:30 a.m., most are still asking students to show up before their brains are truly awake.

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