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October 01, 2024 05:57 PM IST
Lack of sleep substantially increases the risk of heart disease by increasing stress hormones, disrupting glucose metabolism, and promoting inflammation.
Lack of sleep is becoming a growing concern in modern society, with increasing evidence linking it to cardiovascular health problems. Chronic lack of sleep is associated with a significantly higher risk of heart disease, one of the leading causes of death in the world.
How does lack of sleep contribute to heart disease?
Several biological mechanisms explain the association between insufficient sleep and heart disease. Sleep plays an important role in regulating stress hormones like cortisol. When sleep is inadequate, cortisol levels increase, causing increased blood pressure and heart rate, which puts a strain on the cardiovascular system. Additionally, poor sleep disrupts glucose metabolism and insulin regulation, increasing the risk of type 2 diabetes – a major risk factor for heart disease. Lack of sleep also triggers inflammation, contributing to atherosclerosis, where plaque accumulates in the arteries, increasing the risk of heart attack and stroke.
research findings
Extensive studies have demonstrated a strong link between poor sleep and cardiovascular conditions. Adults who sleep less than seven hours per night are more likely to develop high blood pressure, coronary artery disease and heart failure. Sleep disorders, particularly obstructive sleep apnea, are associated with a significantly increased risk of heart disease due to repeated sleep interruptions and lack of oxygen.
Sleep quality and prevention
Both sleep duration and quality are important for heart health. For example, regularly sleeping less than six hours per night may increase the risk of coronary artery disease by 23%. Additionally, poor quality sleep – marked by frequent awakenings – further increases cardiovascular risk. Improving sleep hygiene through a consistent sleep schedule, reducing screen time, and incorporating relaxation techniques before bed may help reduce heart disease risk. Medical interventions such as CPAP therapy for sleep apnea are also highly effective in increasing sleep quality and protecting heart health.
In conclusion, it is essential to prioritize both the quantity and quality of sleep to reduce heart disease risk and maintain overall heart health.
The author of this article is Dr. Manoj Kumar.
(partner content)
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