White Noise for Sleeping May Do More Harm Than Good: Study
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In a busy world, a good night's sleep has become difficult to come by, leading people to download any of the white noise apps available today. But a new study claims that this method is not as good as it appears to be.

White noise, familiar to most people as the hissing sound that accompanies TV static, whirring of a fan or humming of an air conditioning unit.

A new study from University of Pennsylvania, conducted a systematic review and revealed that though there was documented evidence of continuous noise reducing the time required to put participants to sleep, it may actually cause more disrupted sleep.

Researchers noted the lack of consistency in parameters used in the studies and claimed that the quality of evidence reviewed was "very low," adding that this actually contradicts the widespread use of noise as a sleeping aid.

One of the concerns author explained is the potentially negative effects of not letting humans rest their auditory systems with these apps.

Exposure to noise makes the inner ear translate sounds into nerve signals to be interpreted by the brain, describing it as an active process. It "generates metabolites, some of which have been shown to be harmful to the inner ear."

Author then recommended giving time to let the auditory system relax and regenerate in preparation for the next waking period.

Source: https://www.sciencetimes.com/articles/27756/20201019/new-study-suggests-white-noise-more-harm-good.htm
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