Meta-analyses of the Association of Sleep Apnea with Insulin Resistance, and the Effects of CPAP on HOMA-IR, Adiponectin, and Visceral Adipose Fat Meta-analyses of the Association of Sleep Apnea with Insulin Resistance, and the Effects of CPAP on HOMA-IR, Adiponectin, and Visceral Adipose Fat Download Insomnia in Shift Work Disorder Relates to Occupational and Neurophysiological Impairment Obstructive Sleep Apnea and Mandibular Advancement Splints