6th May 2024

A 55-year-old man, overweight with a BMI of 32, presents with excessive daytime sleepiness and a history of loud snoring.

A 55-year-old man, overweight with a BMI of 32, presents with excessive daytime sleepiness and a history of loud snoring. His wife reports that he occasionally stops breathing while asleep. He has a history of hypertension, controlled with medication. He does not smoke or consume alcohol. A sleep study reveals an Apnoea-Hypopnoea Index (AHI) of 28 episodes per hour.

Investigation:

Polysomnography: AHI of 28 episodes per hour, indicating moderate obstructive sleep apnoea.

Which is the most appropriate first-line treatment for this patient?