An analysis of more than 1000 German heart failure patients found that the majority of patients had sleep-disordered breathing and, in 64% of these patients, the disordered breathing manifested as obstructive sleep apnea. To read the full article, go to Cardiology News: http://www.ecardiologynews.com/specialty-focus/heart-failure/single-article-page/esc-obstructive-sleep-apnea-often-complicates-heart-failure/832b078cfb9c416c43d19d59f2e6187b.html.