Poor Sleep + Hypertension = a Dangerous Combination

Poor SleepA study suggests that elderly, who don’t have 7.5 hours sleep a night, are at higher death risk.

Japanese researchers say that those elderly people who get less than 7.5 hours of sleep and have high blood pressure, it may increase their risk of heart disease.

In his study, the researchers tracked the sleep of 1,255 people (With 70.4 year average age) and they also followed their health for 50 months. They found in the follow-up that there were 99 cardiovascular disease events includingheart attack, stroke and sudden cardiac death.

The researchers noted that people who took less than 7.5 hours sleep a night had the highest risk of cardiovascular event. The study has been published in the Nov. 10 issue of the Archives of Internal Medicine.

Dr. Kazuo Eguchi of Jichi Medical University in Tochigi and colleagues write, “In people with less than 7.5 hours of sleep, the incidence of cardiovascular disease was 2.4 per 100 people and in people with longer sleep duration, they were 1.8 per 100 people.”

The researchers also found that subjects with less sleep and overnight increase in blood pressure had a higher incidence of cardiovascular events than those who took longer sleep and didn’t have overnight increase in blood pressure.

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