News or noise? The sound of brown noise, a deep static-like rumble, has become extremely popular as a tool used to help people with attention-deficit/hyperactivity disorder. Those who struggle with focusing have shared their reactions in recordings posted to TikTok, and now the hashtag #brownoise has reached over 86 million views on the platform alone. Many have described the noise as a “game changer” and as if their “brain is being hugged.” Although there is little evidence proving that brown n