It was found that those who make up for their usual lack of sleep by ‘sleeping in’ on the weekends have a risk of developing heart disease that is nearly 20% lower than those who do not. Lack of sleep means sleeping less than 7 hours a night, which can cause various health problems such as cardiovascular disease.
The study, presented at the European Society of Cardiology Congress, analyzed sleep and heart health data from 99,003 adults who self-reported their sleep times from the UK Biobank, a health research database containing medical and lifestyle records of 500,000 British people.
According to the British Guardian and American Medical News Today on the 29th (local time), researchers followed 19,816 people who were ‘sleep deprived’, averaging less than 7 hours a day, for 14 years. The researchers classified them into four stages based on the amount of sleep they received.
People who got extra sleep on the weekends slept between 1.28 and 16.06 hours more, while those who slept the least slept between 16.05 and 0.26 hours less on the weekends.
Researchers analyzed hospital records and death registers and found that people who got the most weekend “compensatory sleep” had a 19 percent lower risk of heart disease than those who got the least.
“Sufficient compensatory sleep is associated with a lower risk of heart disease,” said study author Professor Yanjun Song of the National Cardiovascular Disease Center in Beijing, China. “This association was more pronounced among people who regularly experienced insufficient sleep on weekdays.”
“Our results show that among a significant proportion of the population suffering from sleep deprivation in modern society, those who get the most ‘catch-up sleep’ on weekends have a significantly lower incidence of heart disease than those who get the least,” said co-author Dr. Zhe-Chen Liu, a researcher.
Some experts evaluated the results as meaningful research that could have implications for health promotion.
“I was surprised that ‘supplementing’ sleep could be so helpful,” Dr. Rigved Tadwalkar, a cardiologist at Providence Saint John’s Health Center in Santa Monica, California, told Medical News Today.
“This study shows that our bodies have a remarkable ability to recover and function after periods of prior sleep deprivation,” said Dr. Tadwerk, who was not involved in the study. “While the link between sleep and heart health is well known, the magnitude and timing of the benefits seen in this study are remarkable. It also underscores how important it is to prioritize sleep, even if that means adjusting your weekend schedule.”
Professor James Ryper, deputy chief medical officer of the British Heart Foundation, who was not involved in the study, told the Guardian: “Many of us don’t get enough sleep because of work or family commitments, and weekend naps are no substitute for regular good night’s sleep, but this large study suggests it could help reduce our risk of heart disease. “We know that sleep deprivation can affect our overall wellbeing and this is an important reminder of how important it is to get at least seven hours of sleep every night.”
Reporter Park Hae-sik, Donga.com [email protected]
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2024-08-30 01:26:31