Sleep glossary
pink noise
Updated
It usually feels softer or deeper than white noise, though the exact sound depends on the device.
Plain-English definition
Pink noise is a sound profile with more energy in lower frequencies than white noise.
It usually feels softer or deeper than white noise, though the exact sound depends on the device.
Why it matters
Sound machines often list pink noise as an option, so it is worth checking whether the tone suits your bedroom.
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.