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Adults with the healthiest sleep patterns – those who get up in the morning, sleeping 7-8 hours a day without frequent insomnia – experienced a 42% reduction in heart failure risk compared to those with unhealthy sleep patterns.
And this remains the case regardless of other risk factors, according to new research published by the American Heart Association in the journal Circulation.
Heart failure affects more than 26 million people, and emerging evidence indicates that sleep problems may play a role in the development of heart failure.
This observational study described healthy sleep patterns such as getting up early in the morning, sleeping 7-8 hours a day, and not having frequent insomnia, snoring, or excessive daytime sleepiness.
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It included data on 408,802 UK participants, aged 37 to 73, recruited between 2006 and 2010. The incidence of heart failure was collected through 2019, with researchers recording 5,221 cases of heart failure during a median follow-up of 10 years.
After collecting data via touchscreen questionnaires, the researchers analyzed sleep quality and overall sleep patterns, including whether the participant was a night owl and whether they were likely to doze off or fall asleep involuntarily during the day.
“The healthy sleep score we created was based on the score of these five sleep behaviors,” said Lu Qi, MD, Ph.D., corresponding author and professor of epidemiology and director of the Obesity Research Center at the Tulane University of New Orleans. “Our findings highlight the importance of improving overall sleep patterns to help prevent heart failure.”
After adjusting for diabetes, hypertension, drug use, genetic variation, and other co-varied, participants with the healthiest sleep pattern had a 42% reduction in heart failure risk compared to people with an unhealthy sleep pattern.
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They also found that heart failure risk was independently associated and:
8% less in the early risers;
12% less in those who slept from 7 to 8 hours a day;
17% less in those who did not have frequent insomnia; is
34% less in those who do not report daytime sleepiness.
The researchers noted that other unmeasured or unknown adjustments may have influenced the results as well, but the study’s strengths include its novelty, prospective study design, and large sample size.
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Funding came from the National Heart, Lung, and Blood Institute; and the National Institutes of Health’s National Institute of Diabetes and Digestive and Kidney Diseases, along with the Boston Obesity Nutrition Research Center.
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