Ever wondered why white noise is white? It's not the only colour of noise you can get. There are a handful of others too -- which are used in a variety of different situations, including acoustics ...

Lectrofan makes a small bedside noise machine that emits a variety of different "colors" to help you sleep. If you need the whirl of a fan to fall asleep, you're not alone. Many people use white noise ...

White noise is familiar to most people, but it's not the only color of noise that exists. Blue noise, which is sometimes considered high-frequency white noise, is a noise color with a spectral density ...

If you're struggling to sleep, there are certain sounds, like those from white noise machines, that can help block out unwanted noise and lull you to sleep at the same time. Though you've likely heard ...