Hidden Hits on Instagram: "The phenomenon of "water music" thrives at the intersection of psychoacoustics and evolutionary biology. Research into "Green and Blue Noise" suggests that our brains are hardwired to perceive the rhythmic, non-threatening sounds of water—such as rainfall or ocean waves—as "safe" signals. This biological response triggers the parasympathetic nervous system, lowering cortisol levels and allowing the brain to enter a state of "soft fascination," which is ideal for both d