How long did you try the ones that you say have an impact on your brain? I've never tried white/pink/brown noise for long but I can imagine that you get used to it. Can relate to the noise canceling headphones too, but only during the first experience.
Mind you, I really like listening to music so I never really have them on with nothing or white noise or whatever.
Mind you, I really like listening to music so I never really have them on with nothing or white noise or whatever.