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2. Do I need to worry about using a white noise machine to help ...

   www.aol.com/lifestyle/worry-using-white-noise...

   Here's how to use sound machines safely. The American Academy of Pediatrics is warning parents about hazardous noise exposure. Here's how to use sound machines safely.

3. Health effects from noise - Wikipedia

   en.wikipedia.org/wiki/Health_effects_from_noise

   Traffic noise has several negative effects, including increased risk for coronary artery disease, with night-time exposure to noise possibly more harmful than day-time exposure. [2] It has also been shown to increase blood pressure in individuals within the surrounding residential areas, with railways causing the greatest cardiovascular effects.

4. White noise machine - Wikipedia

   en.wikipedia.org/wiki/White_noise_machine

   A LectroFan white noise machine A clock radio that includes a white noise machine. A white noise machine is a device that produces a noise that calms the listener [citation needed], which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual ...

5. Doctors Say This Type Of Noise Is Best For Deep Sleep - AOL

   www.aol.com/doctors-type-noise-best-deep...

   Small and easily portable, this sound machine includes three sound options so you can find the right fit for you: bright white noise, deep white noise, and gentle surf. $19.99 at Amazon Restore 2 ...

6. White noise - Wikipedia

   en.wikipedia.org/wiki/White_noise

   White noise draws its name from white light, [2] although light that appears white generally does not have a flat power spectral density over the visible band. An image of salt-and-pepper noise In discrete time , white noise is a discrete signal whose samples are regarded as a sequence of serially uncorrelated random variables with zero mean ...

7. White Noise vs. Brown Noise: Which One Is Better For Sleep ...

   www.aol.com/white-noise-vs-brown-noise-232500980...

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8. Sound masking - Wikipedia

   en.wikipedia.org/wiki/Sound_masking

   Sound masking is the inclusion of generated sound (commonly, though inaccurately, referred to as "white noise" or "pink noise") into an environment to mask unwanted sound. It relies on auditory masking. Sound masking is not a form of active noise control (noise cancellation technique); however, it can reduce or eliminate the perception of sound ...

9. The 4 Best Baby Sound Machines to Switch on for Better Sleep

   www.aol.com/4-best-baby-sound-machines-120000285...

   PureWow Editors select every item that appears on this page,, and the company may earn compensation through affiliate links within the story You can learn more about that process here. Yahoo Inc ...