OK, so what is it then? I've had this for years and found no explanation so far.
Does anyone else experience this? It's like I need to "turn off the world" every now and then in order to be able to continue.
PS: some nausea is also usually present at that point.
I have the exact same thing. Daily. I was never concerned until you suspected it might be a crash.
I see it as a necessary recovery time mid morning. I have a second one after noon and the last few months a third one in the evening.
They are exactly like you describe: block the whole world, try not to freeze. I've conquered the nausea by always taking HCL or lemon juice after breakfast. Sometime I can knit a bit, with closed eyes. Still very much covered in woolen blankets and cold.
In my mind, it's related to digestion. And cortisol/adrenals. It happens about one hour after my breakfast (I can postphone lying down but I'll feel increasingly bad). When I lie down, after a while, my stomach begins to rumble. This is my stomach emptying small bits of food into the duodenum for digestion.
My theory: cortisol/ME-body/brain cannot handle stomach acidity; digestion; blood pressure and body temperature all at once.
I use it as a time to try and "reset" my body into safe, relaxed modes. Breathe, relax, wearing big industrial ear mufflers.
But you've got me a bit worried, I though everyone with ME who isn't bed bound has these episode.
I know what these aren't though (for me):
- they're not adrenal crashes. With adrenal crashes you (or rather I) get disorientated and slurred speech and slow.
- not acute dehydration. (disorientated & giddy)
- not low blood sugar (shaking, growingly panicked)(also monitored and proven not to be)
- not 100% thyroid either, that gives a different type of coldness, in my experience. (it may be thyroid with you, I don't know how your cold feels). It may be a bit of thyroid though.... circulation, cold hands...
my ME crashes are different too. I'm either too wired to lie down. Or I'm so exhausted I just tumble into bed and fall asleep right away, nausea and all. The "I give up, I'll just lie down and wither" type of crash. Both take at least 10 days to recover from.
What this is I don't know. I view it as part of my daily pacing but I sure wish it didn't take an hour nor leave me so groggy.
Edit: read to end of thread. Will look more into Orthostatic Intolerance for myself. I thought I was ok because I no longer am light headed now that I supplement with Hydrocortison which has some Aldosteron-properties and drink lots of (salted) water.
My resting HR has gone up over the years, from 45 bpm before illness to 60 pbm with ME and hydrocortison. BP is holding at 90/60 which is a bit too low but not as low as it was when severe ill.