A recent home sleep test showed a normal Apnoea-Hypopnoea Index (AHI), yet recorded significant hypopnoea episodes and a troubling drop in oxygen saturation to 78%. While AHI is a key measure in diagnosing sleep apnoea, it doesn't always capture the full picture. This post delves into what might cause low oxygen levels despite a normal AHI, including possible upper airway resistance, ... https://community.medicalchannelasia.com/question/i-did-a-home-sleep-test-recently-and-this-was-the-report-i-thought-i-have-sleep-apnoea-as-my-wife-said-thre-are-times-when-i-sound-like-i-am-choking-during-sleep-ahi-was-normal-but-there-were-some-h/