Pre-existing and post-pandemic insomnia symptoms are associated with high levels of stress, anxiety, and depression globally during the COVID-19 pandemic Pre-existing and post-pandemic insomnia symptoms are associated with high levels of stress, anxiety, and depression globally during the COVID-19 pandemic Download Treatment usage patterns of oral appliances for obstructive sleep apnea over the first 60 days: a cluster analysis Apnea-hypopnea index vs oxygen desaturation index for diagnosis of obstructive sleep apnea in patients with atrial fibrillation: six of one, half a dozen of the other?