Remove dentures or other oral appliances.Applying the client’s positive airway pressure device is the most important intervention in this scenario. Clients with severe obstructive sleep apnea rely on positive airway pressure devices, such as continuous positive airway pressure (CPAP) or bilevel positive airway pressure (BiPAP), to maintain airway patency and prevent episodes of apnea during sleep. Applying the device before leaving the client alone ensures continuous support for effective breathing.