I Tried 2 Hours of Red Screen for Focus - Big Mistake?

I locked myself in a room with nothing but red screen for 2 hours—here’s the wild psychological journey:

First 30 mins: "This is fine" (it wasn’t)
1-hour mark: Started seeing green afterimages (science says this is normal!)
90 mins in: Either hallucinating or achieving enlightenment
Final 30 mins: Unlocked rage-fueled productivity