Rise in nocturnal respiratory rate during CPAP may be an early sign of COVID-19 in patients with obstructive sleep apnea Rise in nocturnal respiratory rate during CPAP may be an early sign of COVID-19 in patients with obstructive sleep apnea Download What can a dentist and dental sleep apnea researcher do under COVID-19 lockdown? The impact of sleep problems on functional and cognitive outcomes in children with Down syndrome: a review of the literature