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Should we stop changing the clock in spring and autumn?

آیا باید به تغییر ساعت در فصول بهار و پاییز پایان دهیم؟

The U.S. Senate has approved a bill by Sen. Marco Rubio of Florida to make daylight saving time (DST) permanent across the country, ending the fall and winter hours. For the sun protection bill (or, in other words, daytime) to become law, it must be passed by the House of Representatives and eventually signed by President Joe Biden. But the Senate unanimously passed the resolution, which shows the strong support of lawmakers.

Scientists are not so optimistic about this phenomenon. Our awakening is controlled by a circadian rhythm in our time that is related to the solar cycle (the amount of light emitted). Although many researchers agree with the termination of the clock change, they also consider its disadvantages. The American Academy of Sleep Medicine issued a statement on the same day that the Rubio bill was passed: “The perpetuation of day and night ignores potential human health risks that can be prevented by setting a standard time.” “The Senate’s swift action does not allow for further discussion or further study,” the statement said. “We urge Parliament to take more time to assess the possible consequences before making such an important decision that directly affects all Americans.” According to the Academy’s 2020 position in the journal, summer time is less in tune with the innate human physiology of the circadian rhythm, and to some extent disrupts the natural seasonal regulation of the human body’s clock.

Less sunlight in the morning makes it difficult for humans to start the day, and more sunlight in the evening makes people sleep later. Darkness is a signal to the pineal gland in our brain that it is time to start producing melatonin – that is, our body is ready to lower its internal temperature and start sleeping. Early morning light is detected by the supraacistemic gland, which is located above the optic nerve, and its instructions cause our body to stop producing melatonin so that we can stay awake throughout the day.

The mismatch between time on the clock and the circadian rhythm means that work and school occur at times that are not biologically appropriate for our bodies – a phenomenon that researchers call “social jet lag.” “Studies show that social jet lag is associated with an increased risk of obesity, metabolic syndrome, cardiovascular disease and depression,” the article reported. Adolescents, in particular, are more vulnerable to this phenomenon because their circadian rhythms are more vulnerable than other age groups, and school and work commitments, even an hour earlier, are more harmful to them.

In support of the law of sun protection during the day, a Press release The Rubio website cites studies by the American Journal of Public Health and the Journal of Safety Research, which show that the sun reduces car crashes during the day. This is because in 1973-1974 – when the United States first enacted the law – more children were killed by cars in the early morning and when they went to school in the dark.

“While our state is fully prepared to provide security, the passage of this law will allow families to make the most of daylight,” Florida Sen. Rick Scott said in a press release, quoting Florida Sen. Rick Scott. Among the industries that support this law is the golf industry. Retailers, cafes and gas stations along the way are also in favor of passing the law.

Ed Markey, a supporter of the bill and a Massachusetts senator, claims the move adds an extra hour of sunshine to 365 days a year. Unfortunately, the weather – whether sunny or cloudy – is beyond the control of Congress. Every day, the planet – in other words, every country – experiences certain climatic conditions. So no matter what the weather conditions are, you can protect the sun by changing the clock – no matter what the clock shows.

Change the clock

Changing the clock to protect the sun transmits one hour of sunlight from morning to evening – in winter for New York City, the sun rises from 7:10. This will give people an hour more sunshine at the end of the day, but they will have to endure the darkness of the morning. Thus, this law only puts different labels on time. To think that we can change our circadian rhythms in this way, such as trying to lose weight by converting numbers from kilograms to grams, or trying to cool down on a summer day by changing the temperature from Celsius to Fahrenheit.

“I think an extra hour at the end of the day is very enjoyable, and in return we can put up with an early hour of darkness in the early morning,” CBS News quoted Sen. Roy Blunt of Missouri as saying.

The United States has been in this situation before: In December 1973, in response to the Organization of the Petroleum Exporting Countries (OPEC) oil embargo, Congress implemented a permanent summer hour, hoping to save energy. The idea was initially welcomed and gained 79% of the vote in opinion polls. When people experienced their first winter in modern times, the rating dropped sharply to 42 percent. So it’s not clear if repeating such an experience – changing the clock – would be an interesting task.

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