The essential idea of white noise is to create constant and unchanging background noise to help us fall asleep or to study. From crickets chirping to distant thunder noises, white noises drown out any potentially distracting sounds.
The adjective "white" was used to describe the sound because its ultimate combination has similarities to the qualities of white light.
Many studies have been done to prove any correlation between white noise for studying and its effects.
While there may have been positive links to some, it has been also proven that the effects of background noise depend on personal experience.
Some people find the idea of total silence as a major distraction and this deprives them of sleep. Doctors often recommend white noise machines to treat sleep deprivation and often tinnitus.
Noise is not essentially what wakes us up but it is the sudden changes in background noise. What the white noise machine does is that is blocks sudden changes in sound and helps people either fall asleep or stay asleep.
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