Phantom Fever Dream

It's a fever dream without a fever dream. It's when you wake up sweating and everything but you didn't have a dream, although you could've sworn you just had a fever dream.

Guy 1: "Yeah but I'm sick and I woke up at 1AM today."
Guy 2: "Did you have a fever dream?"
Guy 1: "No, but I had a Phantom Fever Dream."