Communicate with her if it really bothers you, but this sounds healthy to me. Don't overthink, you don't have to text 24/7. As long as she communicates with you, IRL, that's fine. I'm sure she's not ignoring you, BTW, I think she's just a napper. Some people are nappers, they like taking naps :)
This is just ableism... What the hell... He can't choose being socially awkward nor being in special education. Why on Earth would you do this to someone...?
It’s ok. You could be aro or ace. You just could express and feel love differently. Express your boundaries but make sure she also feels loved, respects your boundaries, and expresses hers too. Also, I doubt you’re ready to put a ring on her finger yet.