One of the reasons I am so drawn to singing bowls for deep meditation is their resonance and their ability to synchronise with our brainwaves.
They can provide a gateway to deep meditation, where we become more in tune with our minds and bodies, and can begin to support healing and restoration.
When the vibration of the bowls reaches the brain, it may help shift brainwave activity towards the Theta brainwave frequency, which is associated with meditation, deep relaxation and a more inward state of awareness. This can also have a calming effect on the nervous system, helping the body reach a state of deep relaxation.
Brainwaves: The Science Bit
Brainwaves are patterns of electrical activity produced by groups of neurons in the brain.
Multiple brainwave frequencies are usually present at the same time, with some becoming more prominent depending on what you are doing.
Scientists typically describe brain activity in the following frequency bands:
Gamma: 30–100+ Hz
Intense Activity, Hypervigilance
- A group of frequencies present in all regions of the brain
- Associated with bursts of knowledge and high-level information processing
- Important for attention and working memory
- Scientists are still investigating its precise role
Beta: 13–30 Hz
Alert Thinking, Concentration, Active State
- Present when the brain is actively processing information
- Most daily activities are processed in this state, including problem-solving, decision-making, speech and thought
- High levels can be associated with stress, anxiety and agitation
Alpha: 8–13 Hz
Relaxed Wakefulness, Eyes Closed
- An entry point or bridge to a deeper state of consciousness
- Present when sitting quietly, watching television, waking up or falling asleep
- In this state, you may experience visions or create powerful ideas
- Beneficial for inspiration and learning
Theta: 4–8 Hz
Light Sleep, Meditation, Hypnosis
- Linked to memory formation
- Observed in brain regions involved in learning and recalling information
- Connected to the subconscious and a waking-dream state
- May bring vivid images, a sense of deep spiritual connection, insight and creativity
- Associated with reduced stress, improved learning and heightened intuition
Delta: 0.5–4 Hz
Deep, Dreamless Sleep
- A state of the unconscious mind that we do not usually access consciously
- Associated with repair, restoration and healing
How Is This Relevant to Sound Meditations and Singing Bowls?
Because we are always producing brainwaves, sound meditation creates conditions that help the brain relax.
As the body relaxes, the brain often shifts from faster brainwaves, which are used for active thinking, towards slower brainwaves linked with relaxation.
The brain naturally responds to rhythm. Just as your foot might tap along to music, your brain can also respond to steady, repeating sounds.
A singing bowl produces a slow, continuous vibration. Listening to this rhythm may help the brain become calmer and more organised, making it easier to relax or meditate.
Scientists call this brainwave entrainment, although the effect is usually gentle rather than dramatic.
Imagine your mind is like a snow globe that has just been shaken. Thoughts are swirling everywhere.
The sound of a singing bowl is like placing the snow globe down on a table. As you listen quietly, the “snow” — your thoughts — begins to settle. Your mind feels calmer, and your brain naturally shifts into a more relaxed state.