Permanent Daylight Saving Time Rejected by Scientific Community
The U.S. Senate has passed a bill, known as the Sunshine Protection Act, which aims to make daylight saving time permanent in 2023. The bill, however, is facing opposition from scientists who argue that it may have unintended health consequences.
The bill's primary argument is that it would allow more time in the afternoon sun, potentially boosting mental health and supporting the economy. However, scientists, including the American Academy of Sleep Medicine, warn that permanent daylight saving time may lead to more health consequences related to sleep and circadian rhythm disruption.
The circadian rhythm, a 24-hour biological clock, is influenced by natural light and helps regulate various behaviors, including sleep, waking, hunger, body temperature, and alertness. Research indicates that more natural light in the evening causes people to lose more sleep. This could exacerbate the problem that many people already struggle to get the recommended 7 to 8 hours of sleep.
Chronic insomnia and sleep deprivation are linked to various health problems. If the circadian rhythm is disrupted, it may cause those behaviors to become disrupted as well. Scientists' concerns about permanent daylight saving time include potential negative impacts on health, such as increased traffic accidents, heart attacks, and strokes.
The scientists' alternative suggestion is to make standard time a year-long thing instead of the current twice-yearly time change. This approach would maintain more natural light in the mornings, potentially reducing the negative effects on sleep and health.
Western states will experience more dark mornings during winter due to the clocks being ahead from November through March. On the other hand, many states will experience sunrise as late as 8:30 a.m. or later for a longer portion of the year due to the implementation of permanent daylight saving time.
The bill is currently waiting for approval from the House of Representatives and President Joe Biden. The debate surrounding this bill highlights the importance of balancing economic benefits with potential health risks. As the bill progresses, it will be interesting to see how these concerns are addressed and whether permanent daylight saving time becomes a reality in the U.S.
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