When schools start before 9 am, “owls” get lower grades than “larks,” concludes a new paper in Scientific Reports, writes Helge Hasselmann for Research Digests. Researchers, led by Giulia Zerbini at University of Groningen, assessed the sleep habits of students at Dutch secondary schools to determine their “chronotypes.” Those with late chronotypes — owls — earned significantly lower grades in science (except for physics) and… Read more →
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