### WHITE NOISE

[source](https://goo.gl/images/zA9x4f)
Many people have serious problems falling asleep . They lie down in bed, they get nervous, they go for a glass of water, they try again ... and the hours go by and they still do not sleep. The next day, they feel exhausted and do not walk with a ball.
Applied to this white noise at bedtime, it helps to calm us down and envelop us in a calming and warm sensation .
https://youtu.be/wzjWIxXBs_s
### What exactly is the white noise?
>**It is a constant noise that prevents other sounds and noises from invading our auditory perception.
White noise is a kind of static noise. It is created by combining the different sound frequencies together, making a noise similar to that heard from a fan. Many people find that white noise is very relaxing to listen to**
### Why use white noise?
It is ideal for masking external noises that can disturb sleep, such as noisy neighbors, dogs barking or traffic. Or even internal noises such as snoring, heavy breathing, or the noise of relatives who are still awake or get up before you.
It is also very good for preventing the talk of the mind, where you are bombarded with a constant flow of thoughts and emotions when you are trying to fall asleep. The brain naturally yearns for sensory input.
If you do not have it, it begins to produce in the form of your own thoughts. The white noise provides the brain with enough sensory input to stop the bombardment of thoughts so you can easily relax and fall asleep.
##### Discovering the benefits of white noise
But what exactly is the white noise?
This sound integrates the entire spectrum of existing sound frequencies , harmonically and without frequencies that stand out above others. As a result, we get a soothing noise that is the perfect mix of all the sounds that exist.
White noise, a technique for when the baby does not stop crying
### White noise, a technique for when the baby does not stop crying
[source](pixabay.com)
All the babies cry. Sometimes they cry a lot. And other times, very much. Sometimes crying has a specific reason (hunger, sleep, cold, etc.), but in others it is difficult to detect. Between 15-20% of children suffer from infant colic , which means that healthy and well-nourished babies, in their first three or four months of life, have "episodes of intense and vigorous crying of at least three hours a day, three days a week, for at least three weeks .
https://youtu.be/cUwEiMNhOCM
In any case, parents often do not know how to calm their children and are on the verge of despair . Then someone talks to them about the technique of white noise: bringing the baby closer to the sound of a hair dryer, a fume hood, a washing machine, a vacuum cleaner or a fan .
##### Why white noise calms babies?
The auditory effect produced by these devices is not, strictly speaking, white noise, but it is quite similar. White noise is the sound that contains all frequencies at the same power . It is so called because it behaves like the visual equivalent of white light, which contains all the frequencies of the chromatic range.
>This technique is not always valid with all children, and even if it works, it is better not to abuse it. "White noise is a temporary solution for children who cry a lot and do not calm down,But it can be useful for those moments in which it seems that nothing and nobody can calm the baby.
###### **García-Tornel, an associate pediatrician at the San Joan de Déu Hospital in Barcelona**
[pixabay.com](pixabay.com)
The specialists do not have an accurate explanation of why this sound serene to babies. Some say that it is because it reminds them of the sound that surrounded them a short time before, when they were in their mother's womb. Others, which is because this sound, by "covering" all the others, prevents the children from hearing their own cry.
> The fact is that it seems an instinctive resource. "Anyone who takes a child in his arms to calm him makes a white noise with his mouth: sssshhhhh ",
###### exemplifies the **pediatrician Santiago García-Tornel**.
### How does the white noise sound?
It is difficult to describe a sound, but most people agree that the white noise is very similar to that of a television without tuning . When on any television we do not have any tuned channel, we may see that the screen shows white, gray and black colors with an effect similar to that of rain, or snow. We can also hear a noise very similar to white noise, a permanent murmur that sounds incessantly.
The white noise can also be heard in other appliances when they are in operation, although in this case we would not be talking about a noise as harmonious as pure white noise.
[source](https://goo.gl/images/5Tysq4)
### The benefits of white noise for our health
It is not something that science has studied in depth, but many people sing the excellences of white noise . It seems that this noise has a great capacity to calm and calm the human beings who are exposed to it, especially babies. Many people use a source of white noise to relax when they go to bed at night, because they say that hearing only this murmur helps them fall asleep.
### White noise and tinnitus (tinnitus)
Tinnitus (also known as tinnutus) is an auditory phenomenon that many people suffer from. They always hear a beep in their ears (or even in "their head") without there being an external source that emits this sound. This discomfort when listening to something that does not exist constantly can cause other symptoms, such as anxiety and insomnia.
People with tinnitus clearly benefit from white noise . When they go to sleep, there is a lot of environmental silence and the tinnitus surface, they are heard more strongly. This can cause serious sleep problems. With white noise, people with tinnitus mask that perception, so they can rest much better.
Thus, the white noise makes the entire sound environment that surrounds the place where you go to sleep is relaxing and devoid of stridency, causing that the attention is not focused on something concrete, and not on the proper sound of tinnitus.
#### Other colors of white noise
It's called white noise, because if you gave each sound frequency a color and combine them all together it would look white. But there are also some other different colors of static noise in some frequencies that are left aside to produce a slightly different sound.
##### Pink noise :
has a tone a little deeper than the white noise. Very similar to the sound of light rain or the whisper of tree leaves through the wind.
[source](https://goo.gl/images/BjjJee)
Research has shown that pink noise could be more effective than white noise to sleep.
##### Brown noise :
abbreviation of Brownian noise, also known as red noise.
[source](https://goo.gl/images/4CcVsP)
This noise is like an opaque version of white noise. It is very good at blocking loud sounds such as noisy car engines.
#### Where to find white noise?
There is a range of options where you can get some white noise.
- Generate it using a fan.
- Through a team that creates white noise
- Buy a sound file (MP3) that produces white noise.
- There are websites where you can download white noise for free
