Delta waves (0.5-4 Hz) signify a state of deep sleep. A binaural beat with a frequency between 4 and 7 Hz, for example, is more likely to align with theta brain waves, promoting sleep and relaxation.

"The aDBS system listens to these brain waves and then algorithms adjust the stimulation in real time according to what the brain waves tell us about their symptoms. It's a very exciting ...

During a typical night’s sleep, the brain’s activity fluctuates. The first three stages of sleep are characterised by three types of brainwaves: alpha waves, theta waves and delta waves.

"The aDBS system listens to these brain waves and then algorithms adjust the stimulation in real time according to what the brain waves tell us about their symptoms. It's a very exciting ...