Before using CPAP and sometimes even with CPAP, as I am falling asleep I am jerked awake by a total body "flush" where it feels like adrenaline pumps through my blood for 30-60 seconds. Almost like I am vibrating. Not shaking, more than tingling, and not a hot flash. I suspect it has to do with having an apnea: as I gasp for breath the oxygen flows back into the bloodstream causing this "flush." The doctors I have consulted about this say, yes, it could be the oxygen, but no one has said either they have experienced this, or they have a patient who has. I don't know for sure if I have an apnea right before this happens. I guess I am asleep during the apnea and only wake up for this weird, scary feeling.
I would love to know if others can relate to this. Or can help explain what it is. Thanks.
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