The U.S. House of Representatives voted 308-117 on July 14 to pass the Sunshine Protection Act. The measure would make daylight saving time the nation's year-round standard. Supporters cheered the end of biannual clock changes. Critics, including major medical groups, warned of lasting damage to sleep cycles, cardiovascular health and child safety.
President Trump hailed the development. He posted on Truth Social that hundreds of millions of dollars get wasted annually on clock adjustments. "It will also be a very nice WIN for the Republican Party," he added, per a detailed examination by FactCheck.org. The bill now moves to the Senate. Its path remains uncertain after a similar version stalled there in past years.
Rep. Vern Buchanan, a Florida Republican, introduced the legislation. He argued it reflects what Americans want. "Permanent daylight saving time will improve public safety, promote healthier and more active lifestyles and give families more daylight to enjoy after work and school," Buchanan said in a statement carried by the House Energy and Commerce Committee. His colleagues echoed the sentiment. Chairman Brett Guthrie pointed to economic gains and fewer accidents. "Today's bipartisan vote to 'lock the clock' is a response to the advocacy of our constituents and the evidence that year-round daylight saving time boosts economic activity and improves public safety," Guthrie noted.
Yet the medical community pushes back hard. The American Academy of Sleep Medicine has long favored permanent standard time. In a 2022 statement, the group cautioned that adopting year-round daylight saving time "overlooks potential health risks that can be avoided by establishing permanent standard time instead." The position, endorsed by cardiologists and safety organizations, stresses alignment with human circadian biology. AASM.
Dr. Akinbolaji Akingbola, a sleep expert at the University of Minnesota Medical School, explained the biology in clear terms. Standard time makes mornings brighter. That helps people wake naturally. Evenings grow darker sooner, easing the path to sleep. Daylight saving time flips this pattern. Concentration drops. Reaction times slow. Mood suffers. "When we saw that, it was kind of an 'oopsie-daisies,'" Akingbola told Business Insider about past Senate action on the issue.
Studies back these concerns. The spring shift to daylight saving time correlates with spikes in heart attacks, strokes and car crashes. A 2021 analysis from the National Heart, Lung, and Blood Institute found night owls may need a full week to adjust. Permanent daylight saving time would push winter sunrises later. In many states, that means months of complete darkness at 8 a.m. Kids heading to school. Commuters on the road. The risks compound.
The American Medical Association agrees. "Although the chronic effects of remaining year-round in daylight saving time have not been well studied, sleep experts say that standard time aligns best with human circadian biology," the AMA has stated. Trustee Alexander Ding put it bluntly. "Sleep experts are alarmed. Issues other than patient health are driving this debate. It’s time that we wake up to the health implications of clock setting." Data from Chmura Economics & Analytics estimates the current time shifts already cost the economy $672 million yearly through increased cardiovascular events, workplace accidents and traffic incidents. FactCheck.org laid out these figures in its recent review.
And this isn't new territory. Congress tried year-round daylight saving time in 1974 amid an energy crisis. President Nixon signed the law. Public backlash followed fast. Children walked to school in pitch black. Eight kids died in pre-dawn traffic accidents in Florida alone that winter, according to contemporary reports cited in the FactCheck.org analysis. Lawmakers repealed the experiment within 10 months. Sen. Tom Cotton of Arkansas recalled that history during recent debates. "If permanent daylight savings time becomes the law of the land, it will again make winter a dark and dismal time for millions of Americans."
Rep. Mary Gay Scanlon, a Pennsylvania Democrat, raised similar alarms this week. Permanent daylight saving time would bring "serious health and safety concerns caused by even darker winter mornings." Millions would wake in complete darkness during winter months. Her comments, shared via social media, align with warnings from sleep researchers at the Sleep Research Society. They note that daylight saving time delays natural melatonin production. Cortisol levels swing out of balance. Metabolism shifts. Inflammation rises.
Business groups and tourism interests in states like Florida see upside. More evening light could mean later dinners, extended shopping and reduced crime, they argue. Rep. Gus Bilirakis highlighted these points. "Establishing permanent daylight saving time will provide Americans with greater consistency, more usable daylight in the evening, and the certainty that comes with ending the twice-yearly clock changes." The House Energy and Commerce Committee advanced the bill with a 48-1 vote before full passage.
Yet the data on energy savings remains thin. The original rationale for daylight saving time never held up under scrutiny. Days still total 24 hours. The sun rises and sets on its own schedule. Near the equator the difference barely registers. Hawaii, Arizona and a few territories already skip the changes. The new bill would let states opt for permanent standard time if they choose. Few expect many to do so.
Recent coverage highlights the split. The Hill reported the exact tally and noted 22 Republicans and 95 Democrats opposed the measure. NBC News confirmed the vote and Trump's backing while underscoring the Senate's "murky road" ahead. On X, physicians and parents voiced frustration. One congressman who doubles as a doctor described the physical toll of clock shifts on the body. Public sentiment, however, often favors more evening light. Polls have shown that preference for years.
Dr. Beth Malow of Vanderbilt's sleep division cut to the core issue. Moving permanently to daylight saving time "would not be a cost savings and in fact, is associated with decreased productivity. It also increases healthcare costs." Her view matches the broader consensus among sleep scientists. William Shughart, an economist who has studied the topic, added that permanent daylight saving time offers a "false promise of energy savings, bustling stores, and enhanced social welfare." The human costs, he said, include brain fog, strokes, heart attacks and more accidents.
So what now? The Senate must act. A version of the bill passed unanimously there in 2022 but never reached a House vote. Sen. Rick Scott of Florida introduced fresh legislation earlier this year. Momentum exists. But so does resistance from health experts and lawmakers worried about those dark mornings.
Individuals can still protect their rest. Open blinds at dawn. Keep bedrooms cool and quiet. Stick to a fixed bedtime no matter what Congress decides. Akingbola offers simple guidance. "Unfortunately, I just have the world's most uninteresting advice: you need a consistent sleep schedule." That habit supports clearer thinking, better mood and stronger problem-solving. It cannot fully offset a mismatched clock, however.
The debate exposes a tension. Convenience and commerce pull one direction. Biology pulls the other. Lawmakers chose the former this week. Doctors hope the Senate reconsiders before the change becomes permanent. The evidence on heart health, crashes and sleep disruption won't vanish. History already showed what happens when winter mornings stay black for too long. Eight children paid the price once. No one wants a repeat.
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