Get an actual e-ink reader like Kobo or Kindle, they're SO much better for your eyes than phone screens.
They also literally can't do anything but show you books, no notifications or anything. Just you and the book.
They also literally can't do anything but show you books, no notifications or anything. Just you and the book.
But something in your brain works differently when a display doesn't update (e-ink) or updates 24-120 times per second ("normal" display).
Combine that with e-ink lights being a subtle warm glow vs. phone/tablets having MAXIMUM BRIGHTNESS shining at your face...