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Can pink noise enhance sleep and memory? Early research drives a color noise buzz
White noise is frequently used to mask background sounds and it now has competition in a rainbow of colors.
In theory, it wakes up the brain, said ADHD researcher and co-author Joel Nigg of Oregon Health & Science University in Portland. Scientists at Northwestern University are studying how short pulses of pink noise can enhance the slow brain waves of deep sleep. If Northwestern’s research pans out, it could lead to a medical device to improve sleep or memory through personalized pulses of pink noise.
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