Research shows that people who sleep irregularly are 26% more likely to have serious cardiovascular events than those who sleep irregularly.
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| Regular sleep is important for heart health. |
People who do not have regular sleep habits (sleeping on time and getting enough sleep) are at a higher risk of serious cardiovascular problems than those who sleep regularly, according to an international study led by Australia and published in the scientific journal Epidemiology & Community Health .
Researchers from the University of Sydney, Monash University (Australia), Columbia University (USA) and the University of Ottawa (Canada) analyzed data from 72,269 people aged 40-79. All participants had no history of major adverse cardiovascular events (MACE). They were asked to wear activity trackers for 7 days to record their sleep habits. The researchers then used the data from the devices to calculate a Sleep Regulatory Index (SRI) score for each person.
People with SRI scores above 87.3 are considered to have regular sleep habits, while scores below 71.6 are irregular sleepers. People with scores between 71.6 and 87.3 are classified as moderately irregular sleepers.
After taking into account potentially influential factors such as age, exercise level, medication use and diet, the study found that people who slept irregularly were 26% more likely to have MACE than those who slept irregularly.
People with moderately irregular sleep patterns had an 8% higher risk of serious cardiovascular events than those with regular sleep patterns. Participants with the highest SRI scores had the lowest risk.
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