BBC Radio 4 (podcasts available online) which is an entirely talk radio station with no annoying adverts or enthusiastic presenters. It's all very 'one volume' if that makes sense.

Colouring / doodling

Looking at picture books, like the ones full of famous art prints. I like to sit and look at them and think how each one makes me feel.

Batch cooking? I made some very simple stews & soups when I was having a good day which I froze in batches for my bad days where I can't cook. With that sort of cooking it doesn't really matter how long it takes you to do it and it's all in one pot.