To sleep better, you should listen to noise. Good news, therefore, for those who live in the city and hear every day, the conversations of their neighbors or the traffic of the main avenues. Television, vacuum cleaner, fan, we thought that the noises of everyday life prevented us from falling asleep, and yet, if we believe the social network TikTok, they would actually have many benefits. Behind the hashtag #pinknoise, which has more than 29 million views, and #brownnoise which has nearly 120 million, users highlight these noises that would guarantee to join the arms of Morpheus instantly.

Pink noise, the solution to fall asleep easily

According to tiktokers, pink noise would be the one that would promote the most sleep. Just like white noise, it would be akin to a regular buzzing sound but with much deeper sounds. In fact, it would feel more relaxing. Most examples of pink noises, with a few exceptions, are associated with nature, such as the rustling of leaves, rain falling in the distance, or the movement of waves. These types of noises would make it easier to fall asleep, but would especially promote deep sleep. A finding confirmed by a scientific study, although conducted on a very small number of participants.

Also popular on TikTok for its benefits on sleep, brown or brown noise, which some also call red noise, would be more likely to promote relaxation, meditation, and concentration. Unlike pink noise, it would not result in a buzzing sound but not a kind of rumble, more intense and deep in the lower frequencies. Something that would make it the ideal noise to immerse yourself in a bubble of serenity, and relax after a stressful day. The sound of a waterfall or distant thunderclaps would be perfect sounds to relax.

What are colorful noises?

Not content with offering music, news, and podcasts, music streaming services could now turn to sound therapies. A practice in vogue among the youngest generations who do not hesitate to share hundreds of videos and audios of various and varied noises intended to promote memorization, concentration, and even falling asleep. It should be noted that each noise has characteristic properties, such as duration, intensity, frequency, or what is called power spectral density. Without going into too technical considerations, this last property will make it possible to differentiate certain types of noise, but also to distinguish them by color. All this is often correlated with the spectra of light waves, hence the fact that noises are (also) associated with colors. For example, by analogy with white light, itself composed of all colored lights, white noise is made up of all frequencies of the sound spectrum, and results in monotonous noises akin to a slight buzz.

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