Science

Permanent daylight saving time has a dark side, scientists warn

A new study warns that permanent daylight saving time could force American children to make at least 2 billion additional school commutes in darkness, potentially increasing safety risks and disrupting their biological clocks.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 4, 2026, 12:50 PM UTC

Researchers found that fatal crashes involving school-aged pedestrians were roughly twice as likely during dark mornings as after sunrise.

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