This auditory illusion is called a binaural beat. For example, if a person hears a tone of 405 Hz in one ear and a tone of 415 Hz in the other, they would be hearing a binaural beat with a ...

But there's a relative newcomer to the sleep medicine world you may not have tried yet, namely binaural beats. You may never have heard of binaural beats until now. Yet if your sleep has gone south, ...