Binaural beats are sound frequencies that have been studied for their effects on relaxation, focus, and sleep. The concept was first discovered in 1839 by physicist Heinrich Wilhelm Dove, who found that when two slightly different frequencies are played into each ear, the brain perceives a third tone—called a binaural beat. This beat can influence brainwave activity, helping to create specific mental states, such as deep relaxation or heightened focus. Today, binaural beats are widely used in meditation and sleep therapies. Lower frequency beats, such as those in the delta brainwave range, are often used to help with sleep and relaxation, while higher frequency beats, like alpha or gamma brainwaves, can improve focus and clarity. Many apps, including our app Soundscape, incorporate binaural beats to enhance mental well-being, making them an effective tool for reducing stress and improving overall cognitive performance.