THUNDER & RAIN | Relaxing Rain, Thunder and Lightning Sound for Sleep

Welcome to World Of Relaxation

Why do thunderstorms help you sleep?
Increased secretion of melatonin
Human brains can secretes a sleep-related hormone, melatonin, which is secreted in the dark or when the light is dark. In the rainy days, dark clouds block the sun, and the environment becomes dim. At this time, the secreted melatonin by brain increases, making people sleepy.
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