I have a monitor arm on my desk and I swivel it all the way around to the other side of my desk tilting to face downwards so the screen is usable from a recliner:

https://www.amazon.com/VIVO-Articulating-Pneumatic-UltraWide...

A heavy bedside table would support that, or you can get workstation ones like this but in some cases you actually need a PC as a counterbalance:

https://ae01.alicdn.com/kf/HTB1To31LXXXXXclXVXXq6xXFXXXK/Sim...

It's still a project-in-progress but this is my sit/stand/recline setup - https://imgur.com/a/IwOTOpz