Why We Hallucinate While Falling Asleep Have you ever found yourself seeing images right before falling asleep? You might be experiencing hypnagogia. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Something The Size of Pluto Once Smashed Into Mars The Big Bang Explained by Animation Better Than Ever This Unorthodox Procedure Makes Short People A Foot Taller How Budget Airline Work This Clever Animated Artwork Uses Old-Fashioned Technology to Trick Your Brain General Relativity & Curved Spacetime Explained!