Improvement of Cognitive and Psychomotor Performance in Patients with Mild to Moderate Obstructive Sleep Apnea Treated with Mandibular Advancement Device: A Prospective 1-Year Study Improvement of Cognitive and Psychomotor Performance in Patients with Mild to Moderate Obstructive Sleep Apnea Treated with Mandibular Advancement Device: A Prospective 1-Year Study Download Further Evidence for the JuSt Program as Treatment for Insomnia in Adolescents: Results from a 1-Year Follow-Up Study Influence of Day Length and Physical Activity on Sleep Patterns in Older Icelandic Men and Women