Cutting back on sleep could increase the risk of heart disease, a study published Monday found.
Sleeping less than 7.5 hours a night was associated with a 33 percent higher rate of cardiovascular incidents such as strokes and heart attacks, according to a study in the Journal of the American Medical Association's Archives of Internal Medicine.
Ageing and Sleep
Sleep is a barometer of good health in the elderly. Sleep problems in the elderly are controlled by various external and internal factors.
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Japanese researchers monitored the sleep of 1,255 people with hypertension for an average of 50 months. They tracked daytime and nighttime blood pressure, sleep duration and cardiovascular disease events such as stroke, heart attack and sudden cardiac death.
They recorded 99 incidents of cardiovascular disease, and found the rate among those who slept less than 7.5 hours was 2.4 per 100 person-years. Those who got more sleep had an incident rate of 1.8 per 100 person-years.
![Animation of heart attack symptoms - Animation]( "Animation of heart attack symptoms - Animation")
Heart attack can cause symptoms such as Chest pain or discomfort, Shortness of breath and pain in neck, back, arm, or shoulder and is due to blockage of blood supply to the heart muscles
Subjects whose blood pressure rose at night also were more prone to heart disease, the study found.
"Shorter duration of sleep is a predictor of incident cardiovascular disease in elderly individuals with hypertension," wrote lead author Kazuo Eguchi of Jichi Medical University.
Inadequate sleep has also been associated with increased likelihood of obesity, diabetes and several risk factors for cardiovascular disease, including night-time hypertension and sleep-disordered breathing.
Source: AFP
SK
Animation of heart attack symptoms - Animation
Heart attack can cause symptoms such as Chest pain or discomfort, Shortness of breath and pain in neck, back, arm, or shoulder and is due to blockage of blood supply to the heart muscles
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Subjects whose blood pressure rose at night also were more prone to heart disease, the study found.
"Shorter duration of sleep is a predictor of incident cardiovascular disease in elderly individuals with hypertension," wrote lead author Kazuo Eguchi of Jichi Medical University.
Inadequate sleep has also been associated with increased likelihood of obesity, diabetes and several risk factors for cardiovascular disease, including night-time hypertension and sleep-disordered breathing.
Source: AFP
SK
Obstructive Sleep Apnea Raises Sudden Cardiac Death Risk
A new study by Mayo Clinic researchers has suggested that obstructive sleep apnea may be a risk factor for sudden cardiac death.
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