Maybe you'll find it here? Hopefully
https://www.mangago.zone/tag/sleep+disorder/
There's a novel that's similar to what you described https://www.novelupdates.com/series/fairy-trap/
Thank you for the list
yeah that's it ! idk why i was thinking it was a manhwa thank you
Still waiting on an update
I read something a while ago where ml had sort of illness of sleeping for a long time, it made him bedridden and in dreams he used to meet up with someone but his family turns really abusive towards him and he i think he does die and gets reincarnated (?) also not sure but it's was bl?