Sleep plays a critical role in maintaining overall health, particularly heart health. Poor sleep patterns, such as inadequate or irregular sleep, are linked to an increased risk of cardiovascular issues like heart disease, high blood pressure, and stroke.
During sleep, the body performs essential restorative functions that benefit the heart. Blood pressure decreases, the heart rate slows, and stress hormone levels drop, allowing the cardiovascular system to recover. Consistently missing out on sleep disrupts these processes, putting additional strain on the heart.
Obstructive sleep apnea (OSA) is a common sleep disorder with severe heart health implications. OSA causes repeated breathing interruptions, leading to spikes in blood pressure and lower oxygen levels. Over time, this increases the risk of hypertension, heart failure, and arrhythmias, such as atrial fibrillation.
Chronic sleep deprivation can elevate inflammation levels, contributing to atherosclerosis (plaque buildup in the arteries). This condition raises the likelihood of heart attacks and strokes. Additionally, lack of sleep impairs glucose metabolism, leading to insulin resistance and increasing the risk of developing diabetes—a significant risk factor for heart disease.
To support heart health, adults should aim for 7-9 hours of quality sleep per night. Good sleep helps regulate blood pressure, manage stress, and improve glucose control, all of which reduce cardiovascular risks.
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