That’s bound to be very unhealthy in the long run, posture-wise. You’ll notice when you get older. ;)

FWIW I regret my time sitting in chairs way more than my time sitting in couches :(.

This can be done but ergonomics become a consideration if you plan to spend some time there:

https://mgsloan.com/posts/supine-computing/

https://www.piratekingdom.com/blog/my-productivity-couch-set...

https://www.jefftk.com/p/folding-couch-monitor

Great links! Thanks.

I feel that's got more to do with the UI of the couch or hammock than that of the computer.

Didn’t you do that during corona? Remote work is still common in Europe if you are employed in the tech sector.