Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that include chronic bronchitis and emphysema. It’s a chronic condition that makes breathing difficult, and can lead to ...

Add Yahoo as a preferred source to see more of our stories on Google. For about 40 percent of patients with chronic obstructive pulmonary disease, getting a good night's sleep can be a challenge. That ...

For about 40 percent of patients with chronic obstructive pulmonary disease, getting a good night’s sleep can be a challenge. That’s according to a 2002 survey in the European Respiratory Journal that ...