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You know that a lack of sleep can hurt your heart. But if, like 30 million other Americans, you have sleep apnea, you could be getting plenty of zzz’s and still be putting your heart at risk. We asked ...

Nearly 54 million US adults are believed to suffer from obstructive sleep apnea (OSA), which occurs when muscles in your throat relax and repeatedly block your airway, causing you to stop breathing as ...