Natures lullaby to guide you to a deep sleep.
Why does the sound of rain and thunder help sleep?
According to the University of Melbourne, Rain sounds is a rhythmic ticking sound, which sounds like a wonderful lullaby that can help people fall asleep quickly.
Studies have found that when rain sounds enters people’s brain, brain unconsciously relaxes and produces alpha waves, which are very close to the state of brain when human sleeps.
Rain sound is generally between 0 and 20 kHz. It is not upsetting. On the contrary, this sound makes people comfortable. However, if there is a sudden sound of thunder in the middle of rain sounds, it will make people stressful. At the same time, the level of cortisol in people’s body will be high.
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