Unlike white noisewhich represents all the frequencies equallythe higher frequencies in pink noise are less intense.
This article will go over what pink noise is.
The colors are used to describe the frequencies that are in the noise.
For example, white light includes all colors on the spectrum.
Similarly, white noise has all frequencies of sound in it that humans can hear.
Some common examples of white noise are a running vacuum and television static.
These sounds can be used to block out unwanted noises when people are trying to focus or sleep.
The problem with white noise is that all the frequencies come through at the same intensity.
Pink noise tries to fix this problem.
The calming lower frequencies can make pink noise sound more soothing.
Sounds that emphasize low frequencies even more than pink noise are called brown noise.
For example, thunder or the sound of a far-off waterfall are examples of brown noise.
Can Pink Noise Help With Sleep?
Pink noise might even boost memory since our memories are storedwhen we’re in deep sleep.
Pink noise is just one of several noise colors.
There are actually two more colors of noise: brown and blue.
Here are some of the benefits of each noise color:
Can Pink Noise Be Harmful?
It’s not clear whether listening to pink noise (or any other color noise) can be harmful.
Some studies have shown that certain colors of noise might actually make sleep worse.
Whatever color you’re listening to, any noise can be harmful to youif it’s too loud.
Some apps have clearly labeled sounds for pink noise, white noise, and even brown noise.
You won’t know which noise color works best for you until you try them out.
Boynton E.What is pink noise?Right As Rain by UW Medicine.
American Museum of Natural History.The Color of Light.
Sleep Foundation.Can pink noise help you sleep?
2017;8:718. doi:10.3389/fneur.2017.00718
Pacheco D.What is white noise?The Sleep Foundation.
University of Pennsylvania.The Impact of Sleep on Learning and Memory.
2012;306:68-72. doi:10.1016/j.jtbi.2012.04.006
Massachusetts Institute of Technology.Pink noise, memory, and sleep.
Capritto A.4 best noise colors to boost your sleep quality.
