![]() With no variation entering your ears, your brain interprets the sound like a steady hiss.īut white isn't the only "color" of sound. It's made up of all the frequencies audible to the human ear playing at once, and at the same intensity. If you're old enough, you probably remember the sound of static after a television station went off the air for the night. Of course, really loud or irregular noise, such as your baby's crying, will still break through, but in general, you'll sleep far more soundly with white noise playing in the background than without. White noise machines, with their soft, steady, repeating loops of sound, help mask sudden or unusual noise, thus lulling your brain into relaxation, and eventually, sweet sleep. Instead, they work with your brain's natural tendency to mostly notice new or variable sounds while tuning out steady, repetitious noise. These handy devices aren't intended to play so loudly that they overwhelm outside disruptions. ![]() And that's exactly why sound machines, also called white noise machines or sound therapy machines, were invented. Noise - it's hard to escape, especially at those times you'd most like a little peace and quiet. Instead, your baby or young child wakes up at every sound, which means that they, in turn, wake you up with their unhappiness. Or, maybe it's not you having trouble sleeping. The dog next door is barking, someone nearby is beeping their horn, your significant other is snoring like a chainsaw, and you're staring at the ceiling in frustration rather than sleeping soundly.
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