Generally speaking.

[He's happy to move past the subject of Sacaramouche's dreams specifically - who knows? He may see them yet.]

Oh, I wouldn't say there's no use, really. As a creature of dream, they're also my nourishment. Entry person's dreams... "taste" a little different, so to speak.

I'm sure there are. I've never met one, but dreams are vast.

[With literal billions of people on his earth alone, he'd be shocked if he was the only one.]