Fact checked by Karen Cilli There's a reason white noise videos on YouTube rack up hundreds of millions of views: They help ...

Maybe you like the sound of a running fan to fall asleep (white noise), or you prefer the sound of waves crashing against the shore (brown). I use my Hatch sunrise alarm clock to play calming ...

If you need the whirl of a fan to fall asleep, you're not alone. Many people use white noise-like sounds to drown out unwanted noise. Many people have a love-hate relationship with noises at night ...

There are eight sounds to choose from which allows you to experiment and find which one works best: Waves, birdsong, rain, car journey, spaceship, white noise, pink noise and brown noise.

That was until the student came across a 12-hour YouTube video featuring brown noise ... by a noise that sounds like the hissing of heavy rain or the gentle hum of a fan.

There are eight sounds to choose from which allows you to experiment and find which one works best: Waves, birdsong, rain, car journey, spaceship, white noise, pink noise and brown noise.