Hanging chair in a bedroom?

[LifeInAHamsterWheel]

DD has been begging for an 'egg chair' for her bedroom for a long time now. First off she's in a box room so there's absolutely not enough floor space to accommate the huge base frame they tend to come with, second they are £££ and third, they're quite hard to get still.

I'm wondering if a hanging chair (something like this image) would work instead? I know she'd love it but I'm worried that it won't be possible to hang it from her ceiling (or worse, it will hang but then break!)

Has anyone got something like this? Was it easy enough to hang and is it something you'd recommend?

also considering something like this, whichever would be more comfortable/user friendly?

Do you know where the joists are (can you tell from eg looking in the attic)? It would have to hang from a joist.

You could only hang it if it's securely bolted into a load-bearing beam.

50-60kg of chair and child won't hang from a couple of real plugs in plasterboard

I have one similar to the top one. Not sure how it was hung as my Dad did it for me!
It’s mostly used as storage but it is nice to sit and chill out in.

I know it would need to hang from a joist, and I've no idea where the joists are in the ceiling! Presuming we have a joist in the right place though, would it be ok? Those of you who have one, would you recommend?