COPD definition is a chronic obstructive lung disease associated with chronic bronchitis (long-term wet cough) and emphysema (breakdown of lungs over time) causing the lungs airways to narrow. This leads to a limitation of the flow of air to and from the lungs resulting in shortness of breath (dyspnea). This limitation is nonreversible and usually worsens over time. If you suffer from COPD sleeping is difficult and other health conditions like acid reflux, sleep apnea and even pregnancy can worsen the condition. Symptoms of COPD such as coughing, wheezing, chest pain or tightness make it hard to fall asleep easy and stay asleep during the night which results in insomnia. Read more »