# Bursts of ‘pink noise’ during sleep could help your brain clean itself

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1 outlet covering · First listed: Scientific American, Nov 9, 2026, 5:45 AM · Read it: <https://www.scientificamerican.com/article/bursts-of-pink-noise-during-sleep-could-help-your-brain-clean-itself/>

Triggering a flow of the brain’s cleaning fluid could lead to better sleep—and may decrease harmful waste particles

## Who's covering it

In the order they published:

- Nov 9, 2026, 5:45 AM: [Bursts of ‘pink noise’ during sleep could help your brain clean itself](<https://www.scientificamerican.com/article/bursts-of-pink-noise-during-sleep-could-help-your-brain-clean-itself/>) — Scientific American (Magazine, United States)
  Triggering a flow of the brain’s cleaning fluid could lead to better sleep—and may decrease harmful waste particles