Can't try them first, but i'd highly recommend a Secret Labs chair! very adjustable, and i spend about 10 hours a day in mine and love it.
https://secretlab.co.uk/
The stuff of dreams! :( last time i had a day alone was when my daughter was born and her and the wife spent the day in hospital and i couldn't visit due to an infection... shes 6 now!!!
I'm not at all jealous.. :rant: :lolol: