How Does Sleep Affect Heart Health? cardiovascularhealth health sleep sleephealth
Affect of sleep duration on coronary heart disease, stroke, and total cardiovascular diseaseEffect of obstructive sleep apnoea on the cardiovascular systemPeople in western countries sleep for about 6.8 hours per night. A century ago, this duration was at 8.3 hours. Sleep deprivation is getting more prevalent in developed societies, and so is the incidences of heart disorders.
In the analysis, participants getting less than 5-6 hours of sleep had an increased risk of mortality due to coronary heart disease or developing the disease. This increased risk is about 48% for short sleepers and 38% for people getting more than 8-9 hours of sleep. Sleep duration and coronary artery calcification Coronary artery calcification is known to be a predictor of future incidences of coronary heart disease. Based on this, a study at the University of Chicago looked for an association between sleep duration and coronary artery calcification. This study had 495 participants, and the follow-up was done for five years.
Habitually sleeping for a shorter duration could cause increased 24-hour blood pressure, heart rate, and sympathetic nervous system activity. Short sleep duration can influence hypertension in several ways, such as disturbing the circadian rhythm and autonomic balance and hampering a healthy lifestyle.
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