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 ...

Sound can make it difficult to get sleep and the same goes for the lack of sound. It can be difficult to get sleep if it's too noisy or too quiet. A noise machine that can generate a steady color ...

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 ...