Don’t you mean, “I’m not half the man I used to be”?

I do suffer from depression. Two things that made a big difference for me in terms of sleeping through the night were regular exercise and wearing earplugs. YMMV

Non-existent

So sorry for your loss

And all the wasted time getting from one job to the next. Even if the travel is all virtual you still have to get setup/organised, put one thing down and pick another up.