Look up “binaural beats” on YouTube, and you’ll find a growing number of YouTubers offering the “best binaural beats” for better focus, deeper sleep, a faster metabolism, etc.
Binaural beats work by sending different frequencies to each ear (via headphones) because what your brain receives is the difference between those frequencies.
However, not all videos with the words “binaural beats” in the description are worth your time and attention.
So, how do you find those that are?