Cognitive Behavioral Therapy for Insomnia in People With Chronic Obstructive Pulmonary Disease(COPD)

Inclusion Criteria: * Subjects will have moderate to severe COPD. Severity of COPD will be defined according to the new GOLD standards (moderate IIA (moderate), 50% \< FEV1 \< 80% predicted; moderate IIB (severe) 30% \< FEV1 \< 50%). 58 * Insomnia. Insomnia will be defined as difficulty initiating or maintaining sleep, waking up too early or poor quality sleep. 59 * Subjects must be \> 45 years of age with no other major health problems * Subjects must be clinically stable at the time of enrollment into the study without major exacerbation of COPD within the previous two months. Exclusion Criteria: * Evidence of restrictive lung disease or asthma. * Evidence of a major sleep disorder other than insomnia (sleep apnea evidenced by apnea/hypopnea index of \> 10, periodic limb movement disorder, narcolepsy). * Hypnotic, sedative, anxiolytic or antidepressant use. * Pulse oximetry (SaO2) reading of \< 90% at rest. * Pulse oximetry (SaO2) reading of \< 85% at night for \> 5 minutes. * Significant sleep apnea (apnea/hypopnea index ≥ 10). * .Acute respiratory infection within the previous 2 months. * Class \> 2 functional status according to the New York Heart Association. * The presence of a potentially debilitating disease such as cancer, congestive heart failure, kidney disease, liver failure or cirrhosis; evidence of alcohol or drug abuse, musculoskeletal or degenerative nerve disease. * A self-reported current diagnosis of major depression or psychiatric disease or a Hospital Anxiety and Depression Scale (HADS) depression score of \> 11. * Currently participating in pulmonary rehabilitation.