Hmm, I’ve tried it before without pillow, but that didn’t feel good either. It was better than with pillow, but still not great. Perhaps my neck is just fucked up

Wow, I can’t even lie on my stomach for a minute before my neck hurts. Am I doing something wrong?

You’d rather sleep on your stomach than your back? Lying on the back is easily the best

I really hope Fish was just a typo there

In that case, https://thebestmotherfucking.website/ might be more your thing

Let me introduce: http://bettermotherfuckingwebsite.com/

Obviously, it was a joke about XKCD’s Frankenstein: https://xkcd.com/1589/

I’m not sure what kind of features Edge has for PDFs, but FireFox has recently gotten an update to it’s PDF editor so you can edit them in FireFox. Might be worth checking out if that is truly the only reason.