White noise can be effective at drowning out traffic noises, a snoring partner, rowdy neighbours, etc.
White noise creates a masking effect for these other noises so that there is less distractions in a person’s sleep environment. Research has shown that noises during sleep can shift a person’s sleep stage and change their heart rate and blood pressure even though they stay asleep. Sounds like this, that are sudden or unexpected, can also wake someone from their slumber. Often people have trouble falling asleep when there are irregular and distracting noises in the environment. This is because it includes all audible frequencies which means other ambient noises get lost in the fray and will only reach your ears if they are significantly louder than the white noise. The sound created by white noise is unique because it has the ability to block out other noises and sounds. This is similar to the concept of light, where all the colours seen at once create white light.
White noise is the combination of all of the notes in the audible spectrum being played at once, consistently. These findings lead to the invention of early audio devices. What these scientists discovered is that there is a spectrum of sound frequencies, similar to the spectrum of light. White noise was discovered in the 1800’s when scientists such as Thomas Edison began experimenting with sound frequencies. Read on to find out about the most popular white noise machine Australia has on offer in 2019. White noise machines can help people get to sleep by blocking disruptive ambient noise. This leads to fatigue, which can cause poor mood, lower productivity and a range of health problems. The Sleep Health Foundation has found that between 33% – 45% of people in Australia sleep poorly or not long enough most nights.
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