
The science of sound therapy - How sound therapy relaxes the body and mind.
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In the bustle and hustle of city living, we often hear about how stressful everyone is. Some of us take to exercising, some find massages very relaxing. Sound baths or sound therapy is getting increasing popular. If you've attended a sound bath and come out feeling relaxed. And is wondering what are the sciences behind sound therapy. Here is a quick read.
How Sound Affects the Brain and Body
Sound healing isn’t just about listening to music—it’s about how sound interacts with your brain and body. Let’s dive deeper into the magic of sound frequencies and how they impact us!

Sound and the Brain
Sound waves are vibrations that travel through the air and enter our ears, where they are converted into electrical signals by our auditory system. These signals travel to the auditory cortex in the brain. Depending on the sound's frequency, intensity, and rhythm, different areas of the brain are activated.
Low Frequencies (like deep drums or gongs) slow down brain activity. This can create a state similar to deep meditation or relaxation.
High Frequencies (like bells or chimes) are stimulating, sharpening focus, and increasing alertness.
This is why specific music or sound healing instruments have such varied effects on our mental state—from soothing and calming to energizing and motivating.
The Power of Vibration
Everything in the universe, including our bodies, vibrates at a specific frequency. When the body is in a state of imbalance—whether due to stress, illness, or emotional blockages—these vibrations can become irregular. Sound therapy uses vibrations from instruments like singing bowls, tuning forks, or even the human voice to help "reset" the body’s natural frequency, promoting a sense of balance and harmony.
For example, a singing bowl resonates at a frequency that corresponds to different chakras (energy centers) in the body. When played near a specific chakra, the vibrations can help realign and balance it.
The Relaxation Response
Sound therapy is powerful for triggering the parasympathetic nervous system, which is responsible for the "rest and digest" state. When we experience stress, the sympathetic nervous system takes over, triggering the release of cortisol and increasing heart rate. Sound healing can reverse this by:
Lowering cortisol levels.
Slowing the heart rate.
Deepening the breath.
The result? A profound sense of relaxation, better sleep, and reduced anxiety.
NB: *Sound therapy is a complementary therapy, if in doubt please consult your doctor before continuing.