Brainwave Entrainment to help make you smarter while you Sleep - "Binaural Sanctum" - Intelligence Booster Entrainment Using specific brainwave entrainment frequencies that range from 4Hz to 38Hz, these are associated for accelerated learning and memory retention increase, problem solving, good for absorbing information, and contain the main binaural Learning Frequencies that promotes mental active alertness. A carrier frequency of 90Hz provides good feelings, well-being, balance and relieves stress. Listen with or without headphones. Brainwave music is purely for entertainment purposes, and should never be used in place of medical treatment for health issues, or used while driving.
