Adding noise to your sleep routine may sound counterintuitive, but many people swear by wrapping themselves in a blanket of sound to get a better night of rest. You’ve probably heard of white noise.

You may have heard of white noise used to mask background sounds. Now, it has colorful competition. There's a growing buzz around pink noise, brown noise, green noise -- a rainbow of soothing sounds - ...

You may have heard of white noise and might assume it's the best noise for sleep. But did you know there's a whole range of "colored noises" that can help you drift off to sleep each night? From gray ...

You may have heard of white noise used to mask background sounds. Now, it has colorful competition. There’s a growing buzz around pink noise, brown noise, green noise — a rainbow of soothing sounds — ...

Dr. Roneil Malkani shows an example of pink noise being used to enhance slow brainwaves during deep sleep on May 16 at the Center for Circadian & Sleep Medicine at Northwestern Medicine in Chicago. AP ...