Impact of Morning Symptoms in Clinical Control of Chronic Obstructive Pulmonary Disease (COPD)

Inclusion Criteria: * Patient has signed informed consent form * Patients of both sexes,\> 40 years. * Patients diagnosed with COPD according to global consensus on the definition, classification and management of the disease (GOLD) criteria: * post-bronchodilator forced expiratory volume in 1 s (FEV1) / forced vital capacity (FVC) \<70% * post-bronchodilator FEV1 \<80% (stage II, III and IV) Exclusion Criteria: * Participating in an epidemiological study or clinical trial * Patient with other respiratory disease than COPD (eg bronchial asthma, cystic fibrosis, severe bronchiectasis, restrictive lung disease, cancer, etc.). * Patients with mild COPD: FEV1\> 80%