Maybe you have had a relaxing experience where you can relax your shoulders by listening to the sound of the river (river murmur).
The sound of flowing water contains a waveform called "1/f fluctuation" which has a calming effect on the human mind, and is said to be effective in relieving fatigue and relieving stress.
Additionally, water is said to have a visually healing effect, and the pure image of flowing water and sparkling light soothes and soothes the viewer's mind.
reading, sleeping and meditating.
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