Finding the right sleep noise can mean better sleep for years to come. Sleep and sound experts explain the benefits of different noise "colors," plus how to pick the right sound machine for you.

Here's what experts think about the sound and its potential benefits for people who have insomnia or sleep troubles.

Pink noise is softer in high-frequency tones with stronger low-frequency tones than white noise like ocean waves or steady rain without the thunder and wind. It calms the brain and improves memory ...

White noise is a very specific sonic hue ... Avantek has eight sound that might be called brown noise: Ocean Waves, Rain, Wind, Stream, Birds, Campfire, Cricket and Clock. This vast library ...

Article continues below It boasts six sound settings, ranging from white noise to the ambient melodies of forests, rainfall, and ocean waves. It also has generic 'relax' and 'calm' mixes.