Can pink noise enhance sleep and memory? Early research drives a color noise buzz

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Can pink noise enhance sleep and memory? Early research drives a color noise buzz
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White noise is frequently used to mask background sounds and it now has competition in a rainbow of colors. There’s a growing buzz around pink noise, brown noise, green noise and their theoretical effects on sleep, concentration and the relaxation response. The science is new with only a few small studies behind it.

White noise is frequently used to mask background sounds and it now has competition. There’s a growing buzz around pink, brown and green noise and their theoretical effects on sleep and concentration. Dr. Roneil Malkani shows an example of pink noise being used to enhance slow brainwaves during deep sleep at the Center for Circadian & Sleep Medicine at Northwestern Medicine in Chicago on May 16, 2024.

White noise is similar to static on a radio or TV. Sound engineers define it as having equal volume across all the frequencies audible to the human ear. It gets its name from white light, which contains all the visible color wavelengths. Pink and brown, like white, have standard definitions to audio experts. Other color noises are more recent creations with very flexible definitions.. In theory, it wakes up the brain, said ADHD researcher and co-author Joel Nigg of Oregon Health & Science University in Portland.

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