Marco
Grrrrrrr!
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I seem to be in a minority in that I rise early feeling the best I will all day but deteriorate as the day goes on.
I can think of two 'normal' scenarios that might be close to what PWME experience - both childhood experiences - perhaps a more pure experience compared to adults as kids don't feel the need to 'conform to a role'.
First the awful listless lying on the sofa with a basin beside you just in case associated with childhood bugs where the days just drag and every noise etc is amplified. Not necessarily with the same degree of nausea but the same prostrate exhaustion.
Secondly (anedotally), back during the 1970 football world cup (I think) the BBC would show the matches in the evening followed by a double bill of old Hammer horror movies which I loved. Some weekends, despite being highly motivated to stay up, it would get to the stage where the eyes would droop, legs start twitching, start getting cranky and I'd have to call it quits. Possibly similar to Jonathan's late night after a hard day but I think kids just crash quicker and harder.
Some other distinctions I think between normal and ME fatigue :
As has already been mentioned, many of us wouldn't describe ourselves as feeling 'fatigued' or 'sleepy' on an ongoing basis but we do suffer from easy physical and (especially) mental fatiguability or a severe lack of stamina.
An associated point is that the examples of a very early trip to the airport or post general anesthetic fatigue are very specific and exceptional in that they're situations you don't encounter every day. With ME/CFS we're talking about exhaustion (of both types) associated with the very trivial tasks of everyday living.
Jonathan made a useful point about the cognitive/psychological (and dare I say social) response to these situations. As a healthy person you can dismiss feeling grotty after dragging yourself out of bed at 4am safe in the knowledge that a good night's sleep will sort you out. Likewise feeling grotty after a general anaesthetic is probably to be expected, worth it if the surgery was successful and hopefully unlikely to be repeated in a hurry. For PWME to experience very similar of exaggerated symptoms in response to everyday living (every day being the problem) is not only difficult for others to understand but understandably debillitating over time (try planning something a week ahead when you can't predict how you'll feel in ten minutes time).
There's also the speed of onset of 'fatigue'. Pre-ME I was a regular swimmer (60 lengths of a 25m pool or 1.5km every day if I calculated that correctly). I can recall that fatigue would build up gradually and some days you started counting down the last 10 lengths or so). For me the exhaustion now hits like a brick wall. One minute you're doing fine and the next it's total mental and physical collapse and very difficult to predict.
Some processing mismatch in a brainstem area like the reticular activating system sounds plausible but its tempting to equate 'fatigue' with reduced arousal whereas at least a substantial minority of us 'wired and tired' types seem to suffer from over-arousal as evidenced by sensory hypersensitivity and the inability to switch off at bed time. Perhaps there are two or more sub-groups as suggested by the large Japanese study that found two distinct groups (children) that had either hypo or hyper CNS responses to stimuli that they equated with 'dementia' and 'nervous/phobic' respectively.
Sorry for the ramble but I'd also add that until recent years I used to also experience occasional spells of suddenly feeling pretty much 100% well for a few hours and of course I'd then do something fun and bugger things up again.
Interesting discussion and thanks for asking the question.
I can think of two 'normal' scenarios that might be close to what PWME experience - both childhood experiences - perhaps a more pure experience compared to adults as kids don't feel the need to 'conform to a role'.
First the awful listless lying on the sofa with a basin beside you just in case associated with childhood bugs where the days just drag and every noise etc is amplified. Not necessarily with the same degree of nausea but the same prostrate exhaustion.
Secondly (anedotally), back during the 1970 football world cup (I think) the BBC would show the matches in the evening followed by a double bill of old Hammer horror movies which I loved. Some weekends, despite being highly motivated to stay up, it would get to the stage where the eyes would droop, legs start twitching, start getting cranky and I'd have to call it quits. Possibly similar to Jonathan's late night after a hard day but I think kids just crash quicker and harder.
Some other distinctions I think between normal and ME fatigue :
As has already been mentioned, many of us wouldn't describe ourselves as feeling 'fatigued' or 'sleepy' on an ongoing basis but we do suffer from easy physical and (especially) mental fatiguability or a severe lack of stamina.
An associated point is that the examples of a very early trip to the airport or post general anesthetic fatigue are very specific and exceptional in that they're situations you don't encounter every day. With ME/CFS we're talking about exhaustion (of both types) associated with the very trivial tasks of everyday living.
Jonathan made a useful point about the cognitive/psychological (and dare I say social) response to these situations. As a healthy person you can dismiss feeling grotty after dragging yourself out of bed at 4am safe in the knowledge that a good night's sleep will sort you out. Likewise feeling grotty after a general anaesthetic is probably to be expected, worth it if the surgery was successful and hopefully unlikely to be repeated in a hurry. For PWME to experience very similar of exaggerated symptoms in response to everyday living (every day being the problem) is not only difficult for others to understand but understandably debillitating over time (try planning something a week ahead when you can't predict how you'll feel in ten minutes time).
There's also the speed of onset of 'fatigue'. Pre-ME I was a regular swimmer (60 lengths of a 25m pool or 1.5km every day if I calculated that correctly). I can recall that fatigue would build up gradually and some days you started counting down the last 10 lengths or so). For me the exhaustion now hits like a brick wall. One minute you're doing fine and the next it's total mental and physical collapse and very difficult to predict.
Some processing mismatch in a brainstem area like the reticular activating system sounds plausible but its tempting to equate 'fatigue' with reduced arousal whereas at least a substantial minority of us 'wired and tired' types seem to suffer from over-arousal as evidenced by sensory hypersensitivity and the inability to switch off at bed time. Perhaps there are two or more sub-groups as suggested by the large Japanese study that found two distinct groups (children) that had either hypo or hyper CNS responses to stimuli that they equated with 'dementia' and 'nervous/phobic' respectively.
Sorry for the ramble but I'd also add that until recent years I used to also experience occasional spells of suddenly feeling pretty much 100% well for a few hours and of course I'd then do something fun and bugger things up again.
Interesting discussion and thanks for asking the question.
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