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.

Slow-wave sleep plays a crucial role in strengthening memory by enhancing synaptic connections in the brain, with new ...

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 participants experienced brief but statistically significant increases in delta brain waves within moments of impact, ...

And if you can control your brain waves, they say, you can control ... to a specific type of alertness — at the lowest, called delta, you're literally asleep; at the highest, called beta ...

One theory is that the delta brain waves produced during the deepest sleep stage—known as non-REM sleep—haven’t been reduced ...

It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why ...