When it comes to sound and sleep, usually people want to avoid the former so they can have peace and quiet while they're trying to rest. However, there are certain sounds, like those from white noise machines , that can help block out unwanted noise and lull you to sleep at the same time. Though you've likely heard of white noise before, there are actually other sounds that can get the job done.

To help you find the right sound for your sleep environment, we discuss the benefits of using noise to fall asleep and how the different noise colors work.

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What's a sound wave, anyway?

All the different "colors" of noise resonate with different amplitudes at different frequencies.

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