Snoring can be more than an annoyance to anyone else in the room; it can also be a symptom of a serious health condition. Here's what you should know.
원문출처 : http://edition.cnn.com/2015/01/28/health/feat-snoring-normal/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/01/28/health/feat-snoring-normal/index.html?eref=edition