The phrases 'white noise', 'pink noise' and 'brown noise' sound like ... it's not relevant to anyone looking to try to improve their sleep. Blue noise has more intensity at higher frequencies ...

However, not just any noise will do. Noise comes in various colors, including blue, brown, and pink, with white noise being ...

A random signal of every frequency in the audio spectrum, in which each higher octave drops off 3 dB. The lower octaves have more power, and the higher octaves have less power. Pink noise is ...

A type of noise with equal energy in each octave vs white noise which has its energy distributed throughout the frequency range of audio. In white noise, half of its energy will be in the 10,000 - ...