Re: Extreme fatigue for years - still no diagnosis
There is a sleep breathing disorder called "Upper Airway Resistance Syndrome" that causes daytime fatigue. It also causes poor circulation (cold hands, cold feet) and dizziness (orthostatic intolerance). It is common in people with nasal problems. It is detected with an overnight sleep study called a polysomnography which is different from your sleep latency test. The sleep clinic that performs it must specifically tests for UARS (not all do).