I tend to notice that learning from books get a lot harder if I allow my brain to be flooded with whatever chemicals are released when I watch youtube or game of thrones. If I avoid those for a while, and avoid sugar etc, and if I work out every day and get enough nutrients etc, then my ability to learn via books is no trouble at all.
Sounds like I'm telling you to just eat your vegetables, to do what your parental archetype is already screaming in the back of your head to do, and hence might you feel like not doing it in rebellion, but it's totally true based on my experience. I used to be the biggest youtube nerd/"I only learn with video"-type around. But now I only learn via books and I feel a lot healthier as a consequence. I finally feel like my brain is functioning like it's supposed to.