This tends to give brown noise a very deep rumble, almost like slow, heavy machinery or thunder. Similar in its mechanics to pink noise, brown noise also stays consistent with its frequencies but uses much lower octaves again. Pink noise is usually used to relax the brain and calm the nerves – this works due to the consistency in frequency, which can fit in snugly with brainwaves and create a nice atmosphere. Pink noise is categorized by much lower octaves too, which give it a deeper resonance, for this reason it’s very often compared to the crashing of ocean waves or a soothing breeze. Pink noise is different, in that it tends to anchor around more consistent frequencies rather than the mishmash of white noise.

White noise is perfect for reducing distractions, however, seeing as the actual static noise is coming from a whole range of different frequencies bashing into one another at the same time.This forms a sort of noisy barrier that takes up the space where other noise might interfere, making it ideal for focusing in on a task (like sleeping). Some very young readers might have gratefully missed the days of tuning a television, where we’d have to travel across great deserts of hissy static before finally landing on a channel. It turns out there’s a whole aural rainbow of colours… Who’dathunk? Let’s explore the kaleidoscope to find out which is the best for sleep… White noiseĪs we all know, white noise is basically the sound of static. White vs Pink vs Brown Noise: What’s Best for Sleep? White noise – it might seem like the stuff of horror films or dysfunctional machinery, indeed if any readers are Poltergeist fans then there might be no convincing you – but it turns out it can actually be a fantastically soothing sound, particularly for sleep.

Best white noise machine for migraines