Frequency range Name Brain State 40 Hz Gamma waves Inspiration, Higher Learning, Focus 13 to 40 Hz Beta waves Alertness, Cognition, Concentration 7 to 13 Hz Alpha waves Relaxation, Visualisation, Creativity 4 to 7 Hz Theta wave Dreams, Deep Meditation, Hypnosis, Intuition, Lucid Dreaming < 4 Hz Delta waves Healing, Deep sleep, Detached Awareness, O