Reading for the comparison itself: Why Does My AHI Change Night to Night? Normal Variation Explained — what is noise and what is a trend. Why Is My AHI High on CPAP? Causes and How to Find Yours — when the number really has moved, and the usual reasons. CPAP 95th-Percentile vs Median Pressure: What the Numbers Mean — the pressure figure that is worth comparing across months. Nothing on SomniTalk is medical advice. Talk to your own clinician before changing therapy.

The shelf covers each of these properly: CPAP Flow Limitation: The Hidden Metric Beyond AHI — the metric that explains most of this thread. RERA and Flow Limitation: The Events That Don't Show in Your AHI — arousals that never become scored events. UARS (Upper Airway Resistance Syndrome): The Diagnosis Your AHI Misses — the diagnosis that a good AHI can hide. Still Tired on CPAP With Good Numbers? Reasons and Next Steps — the overview, if you want one page rather than four. Nothing on SomniTalk is medical advice. Talk to your own clinician before changing therapy.

The shelf for this, in the order it is most useful: Still Tired on CPAP With Good Numbers? Reasons and Next Steps — the same question with the sourced version of the answer. CPAP Leak Rate: What's Acceptable and How to Fix High Leaks — the number to read next to the event count, and why. Why Does My AHI Change Night to Night? Normal Variation Explained — why the figure moves when nothing has changed. Nothing on SomniTalk is medical advice. Talk to your own clinician before changing therapy.