![]() The American National Commission on Sleep Disorders Research estimated that obstructive sleep apnoea may account for 38,000 cardiovascular deaths in the US each year.Īn increasing number of studies are also showing links between insomnia and the risk of heart disease. Sleep apnoea is strongly associated with high blood pressure, irregular heart beats, coronary artery disease and heart failure. This in turn prevents a restful night’s sleep. These pauses, which can occur 30 times or more times an hour, cause the person to wake as they gasp for air. When someone has sleep apnoea their breathing pauses for short periods while they are sleeping. One way that clinicians know a link exists between sleep and heart conditions is because people with sleep apnoea are more likely to experience heart disease. How do sleep disorders like insomnia and sleep apnoea affect my heart? Although it hasn’t been proven that inflammation causes heart disease, higher levels of inflammation are common in people living with the condition. Ongoing sleep deprivation has not only been associated with high blood pressure (hypertension), a known risk factor for heart disease, it’s also been linked with higher levels of chemicals linked to inflammation. Unfortunately, researchers are unsure as to exactly why too little sleep is bad for your heart health, although they do have some theories. ![]() Why does bad sleep increase heart disease risk? The researchers suggest that the increase is linked to changes in sleep patterns – a theory that fits with a growing body of evidence linking sleep problems and heart health.Ī paper published in the heart journal Circulation found that having not enough sleep, or having too much, increases the risk of heart disease, as do sleep disorders such as insomnia and sleep apnoea. A 2019 study looking at the impact of daylight savings on heart health found that more people than usual have heart attacks in the week immediately after the clocks go forward for summer time.
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