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2026-10-24 15:30:17Lifestyle SHKRUAR NGA REDAKSIA VOX

Winter time, also known as standard time, is the best choice for human health, according to experts. As many countries prepare to turn their clocks back an hour this weekend, researchers warn that changing the clocks twice a year can affect sleep, mood and the body's biological rhythm.

This weekend, many countries will switch to winter time, after months of summer time. Although efforts have been made for years to end this seasonal change, the practice continues to be implemented every spring and fall.

The clock change was first used during World War I, with the aim of saving energy, and was brought back in many countries during the 1970s. However, recent studies have raised concerns about the impact of this practice on health, especially during the transition to daylight saving time in the spring.

According to Raymond Lam, a professor of psychiatry at the University of British Columbia and lead author of a recent analysis of the impact of changing the clocks, ending the practice is not the only decision that needs to be made. He says authorities need to determine what time should be applied year-round.

"Ending the clock change solves one problem, but it creates another decision: what time should we live by all year round?" Lam said.

According to researchers, the choice between standard time and permanent daylight saving time matters for long-term health. The analysis highlights that standard time is the most suitable option, mainly because natural morning light helps regulate biological rhythms, improve sleep and maintain mood.

Permanent daylight saving time also has advantages. It allows for more natural light in the evening, creating better conditions for sporting, social and entertainment activities, as well as for some economic activities.

However, this choice would cause the sun to rise an hour later, causing many people to wake up, go to school or work in the dark during the winter.

Ralph Mistlberger, a professor of psychology at Simon Fraser University in Canada, explained that the body needs morning light to keep its internal biological clock synchronized with the 24-hour cycle of the day.

"Our biological clocks need morning light to stay synchronized with the 24-hour cycle. Daylight saving time pushes this light one hour later, just when winter mornings are already darker," Mistlberger said.

According to the analysis, keeping standard time allows for an earlier sunrise during the winter, better adapting to the body's natural rhythm. Exposure to light in the morning helps reduce drowsiness, improve concentration and sleep quality, and maintain a more stable mood.

Alexandra Choi, public health officer at Vancouver Coastal Health, stressed that decisions about the clock should be made considering their impact on population health.

"The policy for the hour is a public health policy," she declared.

Choi said that if governments decide to keep daylight saving time permanently, they should take precautions to deal with the potential consequences during the winter. These measures could include safer morning commutes, more flexible work schedules, and monitoring sleep problems, mental health, and accident injuries.

In conclusion, the researchers emphasize that, although both alternatives have advantages and disadvantages, the scientific evidence analyzed supports maintaining standard time throughout the year as the most appropriate choice for health.


Në përputhje me standarded JTI

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