It's very cool that you can donate a space for phone banking; this is a wonderful way to help Bernie without exhausting one's physical resources.
I've also been experiencing debilitating health issues (RA & fm, not as bad as what you're dealing with) and for months was unable to do anything for Bernie except send a decent-sized monthly donation, but thanks to a good RA med have been feeling more normal and so signed up to phone bank for him last Saturday. We had about equal numbers of women and men. Most of the women looked to be around their 40s-50s, with a couple of really old women, me and another gal, and the men seemed to run from 20s to 40s with one guy about 60 or so. One of the young guys was a really nice Ryan Gosling-style millennial whose car had bumperstickers reading "Bernie Sanders: Because Fuck this Shit" and "Feel the Bern" (I had parked behind him.) The woman sitting next to me was sweet, helpful, and fun. It was so good to be with a group of people who appreciate Bernie as much as I do, and they seemed so well-informed I wondered if they could be DUers. Lots of enthusiasm and optimism; several comments about the weaknesses of landline polling methods, etc. I lasted about three hours, then hit a wall and had to leave, but plan to be back next Saturday.
Today my physical therapist mentioned his student debt, so I brought up Bernie, and it turned out he's a huge supporter and volunteer who is, as he said, "feeling the Bern!" Another physical therapist overheard our conversation and was grinning from ear to ear.
We are everywhere!
Please drop by to chat when you feel like it, dorkzilla, and keep us up to date. This group is the warmest spot on DU.