If your Apple Watch alerts you to sleep apnea, heres what it means and what to do next [Video]

Already multitool smart devices, Apple Watches added another buzzworthy feature last month: an app to detect sleep apnea.Sleep apnea is a condition that causes a sleeper’s breathing to pause when the muscles of the throat relax too much and the airway collapses. It can contribute to loud snoring, which the sleeper may not even be aware of. Typically, a partner or roommate picks up on the problem first.The condition has been linked to a host of health problems, primarily wear and tear on the cardiovascular system, including high blood pressure, stroke, heart attack, heart failure and heart rhythm problems such as atrial fibrillation. It’s also been tied to dementia and daytime sleepiness. And people with sleep apnea are more likely to be involved in traffic accidents, too.Millions of people are thought to have this disrupted breathing condition but have not been diagnosed, and experts say the new app could be …