This is fine in a warm country, or in a place where you're going to be in or out of your house all the time. Living in a cold and/or isolated place, being cooped up in such a small area would be unhealthy, you need to move around much more as a matter of course. Particularly if you're working at home, you'd have to be very proactive to avoid serious impacts on your health, because your lifestyle would be almost inher…
I do think you are on to something with the idea of pods, most farmhouses where I come from are arranged in a number of small separate buildings.