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Article: SLEEP APNEA HURTS BLOOD PRESSURE.(LOCAL)
- Article from:
- The Wisconsin State Journal (Madison, WI)
- Article date:
- June 13, 2008
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Byline: DAVID WAHLBERG dwahlberg@madison.com 608-252-6125
Sleep apnea increases the risk of heart disease, and now UW-Madison researchers have found a reason why: The repeated interruptions of breathing during sleep can prevent the protective drop in blood pressure most people get at night.
A new study found that people with sleep apnea are three to four times more likely than those without the condition to lose the normal 10 percent to 20 percent drop in nighttime blood pressure. Scientists refer to the benefit that is lost as "dipping."
"When you don't have the normal nocturnal dipping, you are more likely to develop poor cardiovascular ...