Pink Noise
![Pink Noise](/upload/6810100/fad243c07581460687ff0371ffdf1491--1--072c65bc8741406d809ac63b17b0cef5.jpg?w=1000&original=)
Pink Noise
Dr. Roneil Malkani points to a recording of pink noise being played at brief intervals to enhance slow brain waves during deep sleep at the Center for Circadian & Sleep Medicine at Northwestern Medicine in Chicago on May 16, 2024. Pink noise has a frequency profile “very similar to the distribution of brain wave frequencies we see in slow-wave sleep because these are large, slow waves,” said Malkani, assistant professor of neurology at Northwestern University Feinberg School of Medicine. (AP Photo/Laura Bargfeld)
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![Pink Noise](/upload/6810101/cb6e8713380b4b39b05e19b27ee90d16--1--68d10a7a3f0c4ea29b68a030ccc0bbe5.jpg?w=1000&original=)
Pink Noise
Dr. Roneil Malkani demonstrates the set up for a sleep study at the Center for Circadian & Sleep Medicine at Northwestern Medicine in Chicago on May 16, 2024. Pink noise has a frequency profile “very similar to the distribution of brain wave frequencies we see in slow-wave sleep because these are large, slow waves,” said Malkani, assistant professor of neurology at Northwestern University Feinberg School of Medicine. (AP Photo/Laura Bargfeld)
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![Pink Noise](/upload/6810102/94fcc2e03dbb4816860fbd8d656c2bf4--1--f255e64b55ce45fb8146301e9ef90205.jpg?w=1000&original=)
Pink Noise
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. Pink noise has a frequency profile “very similar to the distribution of brain wave frequencies we see in slow-wave sleep because these are large, slow waves,” said Malkani, assistant professor of neurology at Northwestern University Feinberg School of Medicine. (AP Photo/Laura Bargfeld)
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![Pink Noise](/upload/6810100/fad243c07581460687ff0371ffdf1491--1--072c65bc8741406d809ac63b17b0cef5.jpg?w=270&h=180)
![Pink Noise](/upload/6810101/cb6e8713380b4b39b05e19b27ee90d16--1--68d10a7a3f0c4ea29b68a030ccc0bbe5.jpg?w=270&h=180)
![Pink Noise](/upload/6810102/94fcc2e03dbb4816860fbd8d656c2bf4--1--f255e64b55ce45fb8146301e9ef90205.jpg?w=270&h=180)
Dr. Roneil Malkani points to a recording of pink noise being played at brief intervals to enhance slow brain waves during deep sleep at the Center for Circadian & Sleep Medicine at Northwestern Medicine in Chicago on May 16, 2024. Pink noise has a frequency profile “very similar to the distribution of brain wave frequencies we see in slow-wave sleep because these are large, slow waves,” said Malkani, assistant professor of neurology at Northwestern University Feinberg School of Medicine. (AP Photo/Laura Bargfeld)