40Hz Binaural Beats/Increase your focus/Increase your sleep power

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Listening to audio with binaural beats may benefit your mental health and promote creativity and focus.
Binaural beats are considered auditory illusions. For a binaural beat to work, the two tones have to have frequencies less than 1000 Hz Trusted Source, and the difference between the two tones can’t be more than 30 Hz. The tones also have to be listened to separately, one through each eare 👏👏