Oooh I remember seeing this article pop up and was like yeah.... gonna just wait and see on this one. This was an obsession of one of my old math classmates. He would dream about solving the Riemann Hypothesis but waking up right before the secret was revealed. Tragic eh.
When I go to bed after spending to whole day "solving" a math problem I usually wake up the next day with the knowledge of where I made a mistake in my proof