BROWN NOISE According to the Sound of Sleep website, brown has much more base and intensity than white noise like a roaring river or heavy ocean surf. It improves focus and relaxation as well as ...

Experts share the benefits of white noise machines for sleeping. Plus shop editor favorites from Hatch, Homedics and more.

but a noise machine can generate a steady color noise that helps block out these unwanted sounds. White noise is the best known, and machines that make it have been on the market for decades.

There are various noise colors and all have unique benefits. The two most popular colors are white and brown noise, and each has qualities that will help you get to sleep. With our CNET expertise ...