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Does lack of sleep alter fat metabolism?

To find out how the uncomfortable schedule affected metabolism, the researchers gave participants a standardised high-fat dinner, a bowl of chilli mac, after four nights of sleep restriction.

By: Lifestyle Desk | New Delhi |
Updated: September 18, 2019 2:15:27 pm
sleep, indianexpress, new study, fat metabolism, sleep patterns, irregular sleep, metabolism, sleep disruption, insomnia, long term sleep restriction, how lack of sleep affects health, fat digestion, weight management, The study found that sleep restriction affected the postprandial lipid response.(Source: Getty Images/Thinkstock)

A new study adds to mounting evidence that lack of sleep can be harmful, saying that it can make people feel less full after eating, leading to the fat in food being metabolised differently. Published in the journal of Lipid Research, by Pennsylvania State University, the study found that sleep disruption has been known to be have harmful effects on metabolism for some time.

ALSO READ | Why sleeping for less than seven hours may harm your health

Orfeu Buxton, a professor at Penn State, added that long-term sleep restriction puts people at a higher risk of obesity and diabetes. Kelly Ness, now a postdoctoral fellow at the University of Washington, ran the study when she was a graduate student in Buxton`s lab. She and other researchers not only collected data but also spent time, “interacting with the subjects, playing games with them, talking with them — helping to keep them awake and engaged and positive.”

 sleep, indianexpress, new study, fat metabolism, sleep patterns, irregular sleep, metabolism, sleep disruption, insomnia, long term sleep restriction, how lack of sleep affects health, fat digestion, weight management, To find out how the uncomfortable schedule affected metabolism, the researchers gave participants a standardised high-fat dinner. (Source: File Photo)

To find out how the uncomfortable schedule affected metabolism, the researchers gave participants a standardised high-fat dinner, a bowl of chilli mac, after four nights of sleep restriction. “It was very palatable — none of our subjects had trouble finishing it — but very calorically dense,” Ness said, adding that most participants felt less satisfied after eating the same rich meal while sleep deprived than, when they had eaten it well-rested.

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Researchers then compared blood samples from the study participants and found that sleep restriction affected the postprandial lipid response, leading to faster clearance of lipids from the blood after a meal. That could predispose people to put on weight. “The lipids weren’t evaporating — they were being stored,” Buxton explained. This study was highly controlled, which makes it an imperfect model for the real world, Ness said. It focused on healthy young people, who are usually at a lower risk of cardiovascular disease, and all of the participants were men.

The researchers also wondered whether giving more recovery time would change the magnitude of recovery they observed. Nonetheless, according to Buxton, the study gives worthwhile insight into how we handle fat digestion.

📣 The above article is for information purposes only and is not intended to be a substitute for professional medical advice. Always seek the guidance of your doctor or other qualified health professional for any questions you may have regarding your health or a medical condition.

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First published on: 18-09-2019 at 02:15:26 pm

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