Imagine the hissing noise you hear when a water spray is turned on. Blue noise sounds slightly shriller than pink and white noise. Its power increases as the frequency goes up. More research is needed to see if and how brown noise affects sleep.īesides white, pink, and brown noise, there are other color noises that aren’t related to sleep. It’s also shown to improve your thinking skills. Studies show that brown noise might help lower symptoms if you have ringing in your ears. Some sleep apps use this sound instead of pink noise to give it a deeper, grainier effect. It’s similar to a steady heavy rainfall or a shower with good pressure. The sound level (decibels) decreases as the frequency goes up more than it does in pink noise. Brown Noiseīrown noise, also called red noise, produces a rumbling sound that’s deeper with a bass-like tone than pink or white noise. As a result, you hear more relaxing, lower-frequency sounds. Its added depth and lower waves filter out higher sounds. Pink noise uses a consistent frequency, or pitch, to create a more even, flat sound, like a steady rain, wind rustling through trees, or waves on a beach. Basically, pink has a lower pitch than white noise. But it uses deeper sounds and lower sound waves, so it may be gentler and more soothing. Like white noise, it’s a steady background hum that may give you a better night’s sleep. It filters out things that distract you, like people talking or cars going by, so they don’t interrupt your sleep. Pink noise is a constant sound in the background. Other studies have found that many people find that white noise has a positive effect on them. Studies have also shown that it can help: It can be intense and high-pitched, like a fan, air conditioner, or a vacuum. White noise uses a mix of sound frequencies to create a static-like sound. It contains all frequencies found in the spectrum of sounds you can hear in equal parts. It’s the most popular type of color noise. Here’s a look at different color noises and what they can do for you. But have you heard of pink noise and brown noise? Growing research shows that these lesser-known color noises can also help calm you or improve your sleep quality. The steady, static-like sounds from it can drown out disturbing noises and help you sleep better.
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