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2. Doctors Say This Type Of Noise Is Best For Deep Sleep - AOL

   www.aol.com/doctors-type-noise-best-deep...

   The big three in sleep sounds are white noise, brown noise, and pink noise, but there are many other noise types, including purple noise, gray noise, and even black noise (a.k.a. good ol ...

3. How to Find Your Right Noise for the Best Sleep Ever - AOL

   www.aol.com/lifestyle/noise-best-sleep-ever...

   “Brown noise, with its deep and soothing sound, can help lower stress levels and create a calming environment for sleep.” And don’t hesitate to pair your chosen color of sound with another ...

4. White, brown and pink noise machines are going viral for ...

   www.aol.com/news/white-brown-pink-noise-machines...

   Brown noise, also called red noise, is more intense at lower frequencies, which produces a deep, rumbling sound, says Harris — think more bass and less static than white noise.

5. Colors of noise - Wikipedia

   en.wikipedia.org/wiki/Colors_of_noise

   Noise that has a frequency spectrum of predominantly zero power level over all frequencies except for a few narrow bands or spikes. Note: An example of black noise in a facsimile transmission system is the spectrum that might be obtained when scanning a black area in which there are a few random white spots. Thus, in the time domain, a few ...

6. Brownian noise - Wikipedia

   en.wikipedia.org/wiki/Brownian_noise

   In science, Brownian noise, also known as Brown noise or red noise, is the type of signal noise produced by Brownian motion, hence its alternative name of random walk noise. The term "Brown noise" does not come from the color , but after Robert Brown , who documented the erratic motion for multiple types of inanimate particles in water.

7. Music and sleep - Wikipedia

   en.wikipedia.org/wiki/Music_and_sleep

   The characteristics of music that have improved sleep quality in the music-sleep literature include slow tempo, small change of rhythm, and moderate pitch variation of melody. [16] The selection of music (self selected or researcher selected) does not appear to impact sleep quality.