You can sleep an extra hour from Sunday and use sunlight to adjust your biological clock

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Daylight savings time will end on November 1. Americans may sleep an extra hour, but the sky will darken earlier in the afternoon. Experts remind you to adjust your biological clock with morning sunlight and early bedtime.

daylight Saving Time (Daylight Savings Time) will end on Sunday, November 1, when clocks will be turned back one hour, giving people across the United States an extra hour of sleep, but the sky will become darker in the afternoon. Experts recommend getting up early in the morning and getting exposure to sunlight to help your biological clock adjust smoothly.

Daylight saving time will end at 2 a.m. everywhere on November 1 and will return to “standard time” until March 14, when it will change back to daylight saving time.

Living in the United States, we have to adjust our time twice a year, which many people complain about. The Associated Press-NORC Public Affairs Research Center (AP-NORC) last yearvoting It found that only 12% of adults surveyed in the United States support daylight saving time, and about half of the respondents oppose it.

Lawmakers debated whether to maintain the time adjustments again this summer.

People usually have difficulty adjusting to time adjustments in the spring because they lose an hour of sleep that could be made up in the fall. However, many people also regret the end of daylight saving time in the fall. Not only are the days getting shorter, but once the clocks adjust, there will be less daylight time for exercise or outdoor activities after school or work gets out.

Health organizations such as the American Medical Association and the American Academy of Sleep Medicine are calling for the adoption of standard time throughout the year, which is more consistent with the time the sun rises and the biological rhythms of the human body. Bright light in the morning and dim light at night are key to maintaining normal circadian rhythms, which can help people wake up on time and develop healthy sleep habits.

Countries around the world that implement daylight saving time are mainly concentrated in North America and Europe, and the dates of clock adjustment vary. In the United States, Hawaii and most areas of Arizona do not observe daylight saving time, but instead use standard time.

Adjusting the time twice a year is a test for the body. As for how to adjust to jet lag, experts recommend that, whether it’s fall or spring, a few days before adjusting to jet lag, go to bed 15 minutes earlier each night to help acclimate. Additionally, morning sunlight is important for restoring circadian rhythms and achieving healthy sleep. It is advisable to go outside for sunbathing or sit near the window.

In the United States, repeal of Daylight Saving Time is discussed every year; An attempt was made in the 1970s, but there was strong public opposition and it had to be canceled within a year. In July this year, another attempt was made to repeal Daylight Saving Time. The House of Representatives overwhelmingly passed the Sunshine Protection Act in hopes of permanently adopting Daylight Saving Time. President Trump supported it, but the Senate took no action.

Summary FAQ


  • The clocks will be turned back one hour from 2am on November 1, so everyone can sleep an extra hour. However, on the contrary, the sky will become dark before noon, which will affect outdoor activities and sports arrangements after getting off work.


  • Experts recommend going outside early in the morning and sunbathing or sitting near a window for exposure to natural light, as morning light helps reset circadian rhythms, allowing the body to more quickly adapt to jet lag and maintain healthy sleep.


  • An Associated Press-NORC poll shows that only 12% of adults support daylight saving time, and nearly half oppose it. While Congress has been discussing repealing daylight saving time for several years, the House of Representatives has passed a bill to permanently adopt daylight saving time, but the Senate has yet to act.

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