Sleep glossary
brown noise
Updated
It can sound like a low rumble, heavy rain, or distant surf depending on the speaker.
Plain-English definition
Brown noise is a deeper sound profile with more low-frequency emphasis than white or pink noise.
It can sound like a low rumble, heavy rain, or distant surf depending on the speaker.
Why it matters
People who find white noise sharp may prefer a deeper profile, but volume and speaker quality still matter.
Buying relevance
Use this term as a practical buying clue, then check the current manufacturer wording, setup guidance, materials, and returns policy. It should not be treated as a medical claim or a guarantee of how a product will work for you.
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