Study: Poor sleep increases chances of high blood pressure

Doctors at Harvard Medical School looked at men around age 75. They found that those who got the least amount of deep sleep, were 80-percent more likely to develop high blood pressure. The researchers expect similar results in women.

Experts say the study suggests that if your blood pressure doesn't drop enough while you're sleeping, it may damage your blood vessels, or cause parts of the brain that regulate blood pressure to work less effectively.

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