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Why scientists say making daylight saving time permanent is a mistake

The measure would end clock changes nationwide, but scientists say permanent daylight saving time could disrupt sleep and create darker winter mornings for children.

  • The House of Representatives voted 308-117 to pass the Sunshine Protection Act, establishing one permanent time zone across the United States and ending biannual clock changes.
  • Nineteen states have already passed legislation to adopt permanent Daylight Saving Time year-round, yet federal law prevents implementation; Arizona and Hawaii remain exempt from current transitions.
  • Neuroscientist Laura Bojarskaite argues scientific consensus favors permanent standard time over permanent Daylight Saving Time, stating, "The healthiest clock is the one that changes the least."
  • President Donald Trump supports the legislation, writing on Truth Social in May that it's time to stop worrying about the "ridiculous, twice yearly production" of clock changes; the bill awaits a Senate vote.
  • Bojarskaite warns that permanently adopting Daylight Saving Time could delay sunrise until 9 a.m. in some regions, potentially creating safety issues for children traveling to school during dark winter mornings.
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96 Articles

Weatherford DemocratWeatherford Democrat
+2 Reposted by 2 other sources
Center

House passes bill to make daylight saving time permanent

WASHINGTON — There will be no turning back the clock if the House has its way.

News OneNews One
+8 Reposted by 8 other sources
Left

House Passes Bill Making Daylight Saving Time Permanent

Source: Douglas Rissing / Getty On Tuesday, the House voted to pass legislation to make daylight saving time permanent.  According to Politico, the final vote of 308-117 was strange in that it didn’t cleanly fall along party lines. Twenty-two Republican representatives voted against the bill alongside 95 Democrats, despite President Donald Trump publicly supporting the effort. There were strong arguments both for and against the Sunshine Protect…

·New York, United States
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NBC ChicagoNBC Chicago
+8 Reposted by 8 other sources
Center

A new bill would make daylight saving time permanent. Why sleep experts find it 'very concerning'

The Sunshine Protection Act passed in the House earlier this week and is headed to the Senate. President Donald Trump has also expressed support.

·Chicago, United States
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WBUR broke the news in Boston, United States on Wednesday, July 15, 2026.
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