Is Obstructive Sleep Apnea Important in the Development of Alzheimer's Disease?

Subjects will be instrumented with a nasal cannula to receive 2L/min supplemental oxygen. The oxygen will be kept at a fixed rate, however, the participant will be titrated to receive a max of 4 liters per min to maintain sats \>90% based on oximetry readings.

Continuous positive airway pressure is a form of positive airway pressure ventilation in which a constant level of pressure greater than atmospheric pressure is continuously applied to the upper respiratory tract of a person.

Subjects will be instrumented with a nasal cannula to receive 2L/min pressurized room air. The room air will be kept at a fixed rate, however, the participant will be titrated to receive a max of 4 liters per min to maintain sats \>90% based on oximetry readings.