Data suggest that advancing the nation’s clocks eastward as mandated by the Sunshine Protection Act could eventually cause up to an additional 100,000 cancer cases per year, including 5 percent to 10 percent more breast cancer cases and 15 percent to 30 percent more uterine cancer, liver cancer, and chronic lymphocytic leukemia cases. Living on the western edge of a time zone also significantly increases the risk of some types of cancer, cardiovascular disease, and diabetes. Overall, wages also decrease by 3 percent in the western edge of a time zone compared to the eastern edge of that same time zone. Insufficient sleep is a nationwide problem that has already been linked to increased rates of diabetes, mood disorders, errors and accidents, and impaired learning and driving, especially for sleepy adolescents.Īnd on the western edge of any time zone, people are already sleeping less without this radical change - especially people with children and jobs that start work before 7 a.m., which disproportionately affects those who earn lower wages and come from disadvantaged backgrounds. When the alarm rings under a permanent daylight saving time, we wake earlier than our brain’s circadian clock, cutting sleep short. Studies have shown that people sleep less during daylight saving time because they are exposed to more light at later hours, which pushes their internal circadian clocks later. Yes, daylight saving time gives us those long evenings of sunlight, but for the human body and our internal circadian clocks, that late-day sunlight is too late and not enough to give our bodies and brains the reset that morning sun provides. Less morning light is associated with depression and would also impact the safety of tens of millions of schoolchildren as they go to school largely in the dark. The legislation would permanently create less morning light exposure. The timing of exposure to sunlight each day is the human reset button for our internal circadian clocks, which regulate our ability to consolidate sleep and wakefulness and impact many aspects of body and mental function. Instead, it should be called “An Act to Force Americans to Wake Up an Hour Earlier Each Day.” This legislation is not about protecting sunshine. No more seasonal falling back or springing forward. This nationwide change would be permanent. States on the West Coast would change their clocks to what is now Mountain Standard Time, Mountain Standard Time in Denver would move to Chicago’s Central Standard Time, and Chicago would permanently move to New York City’s Eastern Standard Time. The bill would legislatively move our clocks one time zone to the east, requiring Americans to wake up an hour earlier each day relative to sunrise, the equivalent of permanently setting your alarm an hour earlier. The Sunshine Protection Act, which would permanently move standard time one hour earlier in states that currently observe daylight saving time, could increase the danger to kids going to school, damage the mental health of all Americans, and mess with our body clocks. On March 2, Senator Marco Rubio reintroduced legislation that the Senate unanimously approved by voice vote in 2022 without a single public hearing.
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