My ideal would be to have a lie-down setup like this in which I spent ~1 hour max, then I get up and do some fairly strenuous exercise, take a walk, make lunch,

My ideal would be to have a lie-down setup like this in which I spent ~1 hour max, then I get up and do some fairly strenuous exercise, take a walk, make lunch, etc, then lie back down for another hour. I agree this would be probably overall negative if you lie in it for hours and hours all day.