It is different from the chaotic and harsh noise that we are usually familiar with. On the contrary, it can produce masking effect, inhibit the interference sound from the external environment, and has the functions of soothing emotions, helping sleep and calming the nerves.
Common white noise includes rain, insects and rustling leaves. Most of them come from nature.
Why can white noise help sleep? According to our daily life experience, an absolutely quiet environment does not mean that we can sleep peacefully. Too quiet can make people feel alert unconsciously.
Whether it is the rotating sound of the electric fan or the occasional sound of insects outside the window, it is actually quietly providing us with a trace of safety and comfort.
As a repetitive and stable sound, white noise can weaken or even cover up other irregular noises that may affect sleep and create a harmonious and orderly sleep atmosphere.
Is there a scientific basis for white noise to help sleep? There is a study on the influence of white noise intervention on sleep quality of patients with mixed anxiety and depression.
In this study, 200 patients with mixed anxiety and depression disorder and sleep quality disorder were divided into control group and observation group.
The control group used routine nursing, created a good physical environment, satisfied patients' sleep habits, took drugs to improve sleep according to the doctor's advice, made health publicity and education, and strengthened nursing.
On the basis of the control group, the observation group added white noise intervention from 20: 00 to 22: 00. The experiment lasted for 4 weeks, and the volume of headphones was controlled at 30~40 dB, and the volume was controlled within the patient's comfort limit according to individual hearing differences.
The results showed that after treatment, the scores of sleep depth, difficulty in falling asleep, awakening times, difficulty in falling asleep again, overall sleep quality and environmental noise at night in the observation group were higher than those in the control group, which was statistically significant.
White noise helps sleep, is it suitable for ordinary people? Clinically, white noise is mostly used to improve the sleep quality of patients with mental illness, but it is also suitable for ordinary people who occasionally suffer from insomnia.
It is inevitable that we will be passively polluted by environmental noise, for example, the neighbors upstairs get together in the middle of the night, the aunts downstairs dance square dance, the nearby construction site is under construction, and the children in the community are playing loudly. ...
In addition to external interference, we will also toss and turn in the middle of the night because of academic or work pressure, and we can't sleep for a long time.
At this time, soft white noise can help us isolate ourselves from the outside world, temporarily put down our burdens and fall asleep freely.
What white noise apps are there? After talking so much about the magical sleeping aid effect of white noise, how can we get white noise at ordinary times?
Little Sleep APP is dedicated to saving insomnia stars, including more than 1000 kinds of white noise to help them sleep.
There are not only thunder and rain, fallen leaves and wind in nature, but also various atmospheric sounds, such as thunder and rain, nature and animals. , rich in classification.
Small sleep also allows users to mix and match three kinds of white noise according to their own preferences, and adjust the volume ratio respectively, thus customizing their own sleep songs.