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  2. These Sound Machines Help You Doze Off Fast and Sleep ... - AOL

    www.aol.com/lifestyle/sound-machines-help-doze...

    The best sound machines offer multiple noises, come with timers, and allow you to adjust the volume. Shop options from Hatch, Loftie, and Yogasleep now. These Sound Machines Help You Doze Off Fast ...

  3. White noise machine - Wikipedia

    en.wikipedia.org/wiki/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 white noise, which has a harsh sound, but pink noise, whose power rolls off at ...

  4. 8 white noise machines for better sleep - AOL

    www.aol.com/news/8-white-noise-machines-better...

    Hatch Restore 2 $ at Amazon. Hatch Restore 2 $ at Target. Hatch Restore 2 $ at Hatch.co. The Hatch Restore 2 is a cross between a sunrise alarm clock and a sound machine that enables you to play ...

  5. Are sound machines actually good for sleep? - AOL

    www.aol.com/news/sound-machines-actually-good...

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  6. Conair Corporation - Wikipedia

    en.wikipedia.org/wiki/Conair_Corporation

    Conair Corporation is an American company based in Stamford, Connecticut which sells small appliances, personal care products, and health and beauty products for both professionals and consumers. It is majority-owned by private equity firm American Securities , with some minority stakes held by family members of founder Leandro Rizzuto .

  7. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    A noise-cancellation speaker emits a sound wave with the same amplitude but with an inverted phase (also known as antiphase) relative to the original sound. The waves combine to form a new wave, in a process called interference , and effectively cancel each other out – an effect which is called destructive interference .