Looking for books that feel like a fever dream

I'm in the mood for something surreal, disorienting, and beautifully strange. Books where reality bends, time loops, or the line between dream and waking life dissolves. Not horror, but that unsettling, hypnotic quality. Think Piranesi by Susanna Clarke, or the films of David Lynch translated into prose. What novels left you feeling slightly unmoored after finishing them? [...]