I always laugh at these people. I’m paraphrasing, but in the 7th book Harry essentially tells Voldemort, “I died for them, you can’t touch them.”
This is of course mirroring the fact that his own parents had died to protect him from Voldemort in the first place, but it’s also very much symbolic of the central Christian concept of Christ dying to save sinners. Harry is very much a Christ-figure in the end, forgiving those who had been his enemies and even pitying Voldemort himself. It’s not quite as blatant as C.S. Lewis and his, “If people don’t realize the lion is Jesus I’m going to have an aneurysm,” but it’s still obvious.
People who say stuff like this is satanic live in such a pitifully small world. I feel sorry for them.
I have experienced this. Something that helped me is “cognitive shuffling.” Essentially forcing your thoughts to drift.
The technique I learned was this:
Pick a word, preferably one with lots of different letters.
Start with the first letter. Think of as many objects starting with that letter as you can, and picture them. You don’t need to be rigid about this, and don’t waste time trying to come up with objects if you’re stuck, just move onto the next letter. If you finish the word, pick a new one. But I don’t know that I’ve ever finished a word before falling asleep.
The idea is this sort of directed but disconnected thinking helps put your mind into the sort of state that lets sleep come. And when I’m diligent about it, it works like a charm. It’s like a way to actively fall asleep.
Unfortunately because it requires some effort I often don’t do it. But I do recommend it!