During meditation Brainwave Synchronicity increases along with increasing Alpha and Theta Brainwave Activity. There are 5 known levels of brain activity:  -Delta (1–4 Hz)(Sleep)   -Theta (4–8 Hz)(Trance Like, Minimal Conscious thought, brain synchronization)   -Alpha (8–12 Hz)(Deeply Relaxed)   -Beta (13–30 Hz)(Normal Activity)   -Gamma (30–70 Hz)(Extremely high levels of intellectual thinking)