you can always try a puppy distro! they’re super barebones and you can get them really lightweight, shouldn’t really have any problems with running something like one of the slackware-based pups or maybe an older debian pup. you can check it out here! https://forum.puppylinux.com/puppy-linux-collection
Firstly, congrats! My big recommendation is to track your blood pressure if you can-- my doc has told me to do that while i’m on E + Sprio