While many people have never heard of brainwave entrainment, it is a field of study that has over 75 years under its belt. We’ve all experienced brainwave entrainment and probably never realized it. Your brain is always busy. Brainwaves occur when a group of neurons sends a message to another group of neurons. It produces an electrical pulse which creates a wavelike pattern based on how many speed cycles per second (Hz). If you’re awake and alert the waves are faster. If you’re meditating, relax