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Sleeping in on weekends causes weight gain risks, research shows

Catching up on sleep over the weekend can actually cause you to gain weight, study showsVideo

Catching up on sleep over the weekend can actually cause you to gain weight, study shows

A new study shows catching up on sleep over the weekend won’t make up for the negative health effects of sleep deprivation during the week. In fact, it can cause you to gain weight.

Catching up on sleep over weekends could cause weight gain, according to a new study.

The research, published Thursday in Current Biology, found that people who are sleep deprived during the week — getting fewer than 5 hours of sleep every night — but try to make up for it on weekends don’t actually see many benefits.

“Our findings suggest that the common behavior of burning the candle during the week and trying to make up for it on the weekend is not an effective health strategy,” said senior author Kenneth Wright, an integrative physiology professor and director of the Sleep and Chronobiology Lab at the University of Colorado (CU).

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Wright and his colleagues monitored the food intake, light exposure and sleep of 36 healthy adults between the ages of 18 and 39 years old for two weeks at the Clinical Translational Research Center at CU’s Anschutz Medical Campus.

The participants were split into three groups.

One group slept nine hours every night for nine nights and the second group slept five hours every night for five nights. The third group slept five hours for five nights, as many hours as they wanted for two nights and five hours the next two nights.

Everyone who slept less snacked more at night, gained weight and saw their insulin sensitivity decrease, though the people who were able to recover over the weekend saw mild improvements that went away when they went back to sleeping less.

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Researchers also found worse outcomes for those who slept in on weekends, particularly when it came to their insulin sensitivity.

For those who slept five hours all nine nights, their insulin sensitivity declined by 13 percent. For participants who were able to recover over the weekends, their insulin sensitivity declined anywhere from nine to 27 percent and they had worse sensitivity in the muscles and liver than either of the other groups.

“It could be that the yo-yoing back and forth — changing the time we eat, changing our circadian clock and then going back to insufficient sleep is uniquely disruptive,” Wright explained.

Wright and his colleagues also found that people can’t really recover lost sleep anyway.

The participants who were allowed to sleep in as much as they wanted only got an extra 66 minutes on average, the study found. Men were able to recover more sleep than women, who only got about one additional minute. Men were able to get a cumulative extra two hours over the weekend.

Instead of trying to catch up on sleep, Wright recommends consistently getting at least seven hours of sleep every night.

Article source: http://feeds.foxnews.com/~r/foxnews/health/~3/vUDS1_SUZJ0/sleeping-in-on-weekends-causes-weight-gain-risks-research-shows

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