I have severe PN. It’s in both feet up to the bottom of my knees. I also have Charcot feet. My feet swell up all the time and under different circumstances. If I walk too much (anything over 40 feet), and when I sleep with no pressure on my feet. I wear compression socks 24/7 except when my feet swell too much at night and the pressure causes pain. I do have a lot of pain from the nerves and I can get an ulcer in my feet that typically gets infected causing a hole in my foot.