While there are many uncontrolled factors that might affect heart health, such as heredity, roughly 80% of cardiovascular disease cases can be avoided by changing one’s lifestyle. Quitting smoking, getting regular exercise, and eating a high-fiber diet can all help to reduce your risk of heart disease.

And, according to new research published this week in the European Heart Journal – Digital Health, another simple but potentially effective lifestyle change that can assist is going to bed at a specific hour.

People who sleep between 10 p.m. and 11 p.m. have a decreased risk of cardiovascular disease than those who sleep before or after that hour.

In a statement, study author David Plans, head of research at the British health care technology business Huma, stated, “The body has a 24-hour internal clock, called circadian rhythm, that helps regulate physical and mental functioning.

According to the study, people who fell asleep after midnight had a 25% higher likelihood of developing cardiovascular illness than those who fell asleep between 10 p.m. and 11 p.m. Those who fell asleep between 11 p.m. and 11:59 p.m. had a 12 percent increased risk. Those who fell asleep before 10 p.m. were at a 24% higher risk.

Other characteristics known to enhance a person’s risk of heart diseases, such as smoking, high blood pressure, and socioeconomic status, were taken into account to the best of the researchers’ abilities. They discovered that the association between bedtime and heart health remained.

This isn’t the first time someone has proposed anything like this. Many biological systems are known to be affected by circadian rhythms, and earlier study has indicated that persons with irregular bedtimes — particularly the millions of Americans who work shifts — are more likely to develop heart disease. Working off-hours does make it more difficult for people to exercise or eat healthy meals. Shift employment, on the other hand, is thought to have an effect on people’s fundamental biological processes.

While the authors of the new study noted that additional research is needed to fully understand the potential link between bedtimes and heart health, they believe their findings provide important clues.

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