For me it's the opportunity to overthink that's causing the issue, which then starts the 'whats the point' feeling that leads to doing even less and thinking more.... With a full time job and a horse to care for I had to ignore my own head sometimes and deal with life, my horse is now turned out and we're not allowed at the stables (right choice imo, they're cared for so it's not essential we go) and work place closed.
I've sorted financial and practical issues as far as I can, that kept me occupied for a day or so, but now, well, I have time to sweat stuff I really don't need to be. And I then feel guilty about that because there's so much else going on in the world right now to worry about.
Have volunteered for NHS and local neighborhood schemes to help get supplies to people but obviously these things take time to process.
Also getting a lot less exercise than usual so that's having an impact too.
Got a friend hanging by a thread, and we've made a pact to promise each other to do one thing a day and not let each other down. Seems to be working so far, however small the achievement is.
If I got CV I'd stand a good chance of beating it, but I also could infect so many people before I know and that would weigh heavily on my mind.
A lot with mental health problems will struggle at the moment, but to me every single person has worth, is loved even if by a stranger on the internet (I hope that doesn't sound too creepy!) I wonder if mine and my friends promise thing may work on a larger scale? As in you promise the poster above you will do something and then do it, and post a pic (non id obviously) and then the next person does and so on? Might help.