I mean, there are some pillows that are firmer, like those filled with spelt or millet. You can also adjust the height by adding or removing filling. Downside is that they are quite firm, so not as soft to lay on.

There’s also pillows filled with foam or plastic fibers, which spring back into form quite reliably, but they’re horrid at transporting off the warmth and moisture from your head, resulting in you sweating a lot, so personally I wouldn’t recommend them.