Does sleep apnoea/apnea tend to occur in rem/nrem sleep?
Sleep apnoea, or at least the obstructive version, OSA, occurs when you loose muscle tone and the upper airway/throat collapses. The ore relaxed the muscles, the more prone to collapse. The deeper the sleep, the more relaxed the muscles become, the more prone again they become to collapse. But indeed once it happens, you get a micro-arousal as the brains doesn’t like to be starved of oxygen so it shoots some adrenalin in your system to wake you up briefly but long enough to take a proper breath. Hence the gasping and choking noises in between the snoring. So yes, often it is worse in deep sleep, if you even get that far but REM sleep is also associated with OSA as per the research in my sources. Regardless of which phase it happens in, it needs to be sorted as it really messes with your health and well-being. OSA is diagnosed in a variety of ways. Can be in-home with a simple finger pulse oximetry sleep study or a multi-channel respiratory sleep study. The former records blood oxygen l
