The sound of running water naturally lowers human heart rates
Listening to the gentle flow of water triggers a biological relaxation response that physically reduces heart rates and shifts the human nervous system into a restorative state.
Natural water sounds act as an acoustic signal of safety that physically alters our physiology. Research indicates that these rhythmic frequencies shift the brain from a focused, outward state to an inward, meditative one. This transition decreases cortisol levels and lowers the heart rate by activating the parasympathetic nervous system.
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