A UK study found that it reduced overall anxiety by 65%, and resulted in a 35% reduction in physiological resting rates. Researchers measured brain activity, heart rate, blood pressure and rate of breathing. Its carefully arranged harmonies, rhythms, and bass lines help slow a listener's heart rate, reduce blood pressure and lower levels of the stress hormone cortisol.
According to Lyz Cooper, the founder of the British Academy of Sound Therapy, there are basic musical principles that correlate with relaxation. She explains that the song “contains a sustaining rhythm that starts at 60 beats per minute and gradually slows to around 50.” The listener’s heartbeat will naturally slow down to match the track’s BPM (beats per minute). The song’s length is also critical. Cooper explains, “It takes about five minutes for this process, known as entrainment, to occur. And there is no repeating melody, which allows your brain to completely switch off because you are no longer trying to predict what is coming next.”
Does it work for you? Do you use music or sounds to reduce anxiety and stress?
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