It turns out that people whose sleep patterns do not change much between weekdays and holidays have slower biological aging.

On weekdays when you're busy with work and school, you inevitably get less sleep, but if the next day is a holiday, you stay up later than usual, and on holiday mornings, many people find themselves waking up much later than on weekdays. However, a new study that analyzed the sleep patterns of more than 6,000 people found that people who have consistent sleep patterns between weekdays and weekends biologically age more slowly than those who don't. .

Day-to-day deviations in sleep parameters and biological aging: Findings from the NHANES 2011-2014 - ScienceDirect

Consistent sleep slows down aging at a cellular level •

A good night's sleep can actually slow aging: new study

Sleep is known to be closely related to various cognitive tasks and mental health, as well as physical health, so many people make sure to get enough sleep. Even so, some people tend to get less sleep during busy weekdays, and some people may try to make up for the lost sleep during weekdays on their days off.

A research team from Augusta University in the United States analyzed data on 6,052 people collected by the US National Health and Nutrition Examination Survey from 2011 to 2014 to understand the relationship between sleep patterns and biological aging. We investigated the relationship between

In the U.S. National Health and Nutrition Examination Survey, subjects with an average age of 50 wore sleep trackers for 4 to 7 days, and data was collected on their sleep duration, changes in time of day, and regularity. They also analyzed blood samples taken from the subjects and collected various data useful for measuring biological aging, such as signs of liver and kidney disease, cholesterol levels, and predictors of diabetes.

The data showed that 65% of the participants slept between 7 and 9 hours per day, 16% slept less than 7 hours and 19% slept more than 9 hours. The participants also slept an average of 78 minutes more on weekends, and their bedtimes varied by an average of 60 minutes.

When we analyze variations in sleep duration and bedtime in combination with markers of biological aging, we find that people who have the greatest differences in bedtime and sleep duration between weekdays and weekends also tend to be older in biological age. I did. The researchers reported that people with the most variable sleep patterns were on average about nine months older in biological age compared to those with consistent sleep patterns.

The results of this study suggest that irregular sleep patterns may accelerate cellular aging, increasing the risk of age-related diseases and premature death. The researchers believe that fluctuations in sleep patterns may bias the body's internal clock, affecting the processes that regulate biological aging.

The research team said, ``Daily deviations in sleep are a modifiable behavioral factor. Therefore, the results of this study suggest that interventions to improve the regularity of sleep patterns could be a new approach to extending healthy lifespan.'' 'I will.'

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