27th May 2025

A 78-year-old woman has recently had an inpatient polysomnogram after presenting to his GP with excessive daytime sleepiness, depression, loss of libido and morning headaches.

A 78-year-old woman has recently had an inpatient polysomnogram after presenting to his GP with excessive daytime sleepiness, depression, loss of libido and morning headaches. He has a history of Heart failure, CKD 5 and atrial fibrillation. Given the likely diagnosis, what is the mechanism behind his underlying sleep apnoea?

Select the SINGLE most appropriate option from the list below. Select ONE option only.