Does anyone here have changes in how they feel? For me it's strange it goes up and down and there is no way to predict it. I have times where I feel kind of 'good', not like a normal person of course but good that I can do more than usual. Other days I'm bedridden or don't even wake up (in winter I can sometimes sleep 48 hours in a row where I only get up for one hour to eat and drink, and also interrupted sleep for 5 minutes to go to the bathroom) In the old criteria for ME/CFS they said that it common but not anymore. I don't know why they have taken it out. Is this common to feel like this with ups and downs?