Good luck buddy! Keep us updated.
It's worth considering downloading an additional blue light filtering app from the app store (a personal favorite is an app called twilight), and using that as an overlay.
Also, by entering the android developer options in the settings, and making sure "Disable HW overlays" is always activated (i.e always use GPU for screen compositing), it makes these external filtering apps more stable and effective.
I'm personally using the realme 8 5g now lol. I got it from my relative, and though I was initially hesitant after playing around with it due to the lifeless screen, I fell in love after he installed a matt anti glare screen protector, and immediately offered a trade. It's now so easy on the eyes, and I vastly prefer realme UI over MIUI (but that is a personal preference).
I've read x4 ebooks on it since, no reflective glare at all, and quite comforting on the eyes. Nice size and weight too. The screen isnt perfect, as it could be a bit more vibrant and punchy during videos etc, but otherwise, it's pretty decent.