Heart health is often associated with a healthy diet, exercise, and avoiding smoking.
These recommendations are well documented and widely promoted by health organizations, Prevention writes.
Sleep is also mentioned, but it often receives less attention. Most people know it is important to get enough sleep, but fewer consider how consistent routines play a role.
The body’s rhythm
The body operates according to an internal circadian rhythm, which regulates factors such as heart rate, blood pressure, and hormones. This rhythm is closely linked to when we go to bed.
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If bedtime varies significantly, it can disrupt the body’s natural balance. This may lead to increased strain on the body and affect factors such as weight and blood pressure.
Over time, such changes can increase the risk of disease, especially if sleep duration also decreases.
New findings
A study from BMC Cardiovascular Disorders followed more than 3,000 individuals over ten years.
Researchers measured participants’ sleep habits and compared them with data on heart disease.
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The results showed that individuals with irregular bedtimes had a higher risk of conditions such as heart attacks and strokes.
This remained true even after accounting for other risk factors.
It was particularly fluctuating bedtimes that made a difference, rather than the time people woke up.
Sources: Prevention and BMC Cardiovascular Disorders.
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