Exercise to Improve Sleep in Insomnia: Exploration of the Bidirectional Effects Exercise to Improve Sleep in Insomnia: Exploration of the Bidirectional Effects Download Efficacy and Safety of Adjunctive Modafinil Treatment on Residual Excessive Daytime Sleepiness among Nasal Continuous Positive Airway Pressure-Treated Japanese Patients with Obstructive Sleep Apnea Syndrome: A Double-Blind Placebo-Controlled Study Impact of CPAP Use and Age on Mortality in Patients with Combined COPD and Obstructive Sleep Apnea: The Overlap Syndrome