Dangers of White Noise. The long-term safety of white noise is subject to debate. The American Tinnitus Association, for instance, states that noise exposure below 80 to 85 decibels is likely safe. Other experts say that white noise may harm the brain and central auditory system over time. White noise refers to a noise that contains all frequencies across the spectrum of audible sound in equal measure. Because white noise spans multiple bands of sound, it is sometimes referred to as broadband noise.

The threshold of human hearing is typically around 0 dB, while normal conversation levels usually fall within a range of 50-65 dB. When it comes to white noise, setting the volume between 50 and 70 dB is recommended for most users. The ideal dB level for white noise will vary depending on individual preferences and reactions to different volumes.

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Pros. The pros of using white noise for babies is that it soothes them and can help them get the sleep they need. One study of newborns found that 80 percent exposed to white noise dozed off within five minutes, while only 25 percent of those without the background noise fell asleep as quickly. [2]
White noise is us hearing all frequencies at the same time. And the same goes for pink noise, brown noise, and all other colored noises too. It also applies to sound masking, a specially engineered noise used to even out the soundscape of uncomfortably quiet offices and improve the acoustic privacy of employees.

So, does white noise help you sleep? It can do, but it's important to be aware of how loud you're listening to it! How loud should white noise be, then? Ensure you're listening at levels no higher than 50 decibels, which is roughly equivalent to the level of a quiet refrigerator humming or a quiet conversation.

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    • what db should white noise be