Fodmapeveryday iconFodmapeverydaySep 13, 2026

Scientists used tiny bursts of pink noise during sleep — and changed the waves that move fluid through the brain

Electrical waves roll across it, blood vessels rhythmically change size and cerebrospinal fluid moves in pulses that may help carry waste away. MIT researchers have now shown that precisely timed bursts of pink noise can strengthen both slow brain waves and the accompanying waves of cerebrospinal fluid, or CSF, in sleeping people.

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Electrical waves roll across it, blood vessels rhythmically change size and cerebrospinal fluid moves in pulses that may help carry waste away.

MIT researchers have now shown that precisely timed bursts of pink noise can strengthen both slow brain waves and the accompanying waves of cerebrospinal fluid, or CSF, in sleeping people.

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Electrical waves roll across it, blood vessels rhythmically change size and cerebrospinal fluid moves in pulses that may help carry waste away. MIT researchers have now shown that precisely timed bursts of pink noise can strengthen both slow brain waves and the accompanying waves of cerebrospinal fluid, or CSF, in sleeping people.

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