A method for ameliorating an insomnia of a user having a brain wave includes steps of defining a specific frequency range of 8 to 12 Hz as a mu rhythm in the brain wave, detecting a total power under the specific frequency as a mu rhythm intensity of the user, providing one of an animation and a wave form representative of the mu rhythm intensity of the user, and inducing the mu rhythm of the user by watching one of the animation and the wave form by the user.
METHOD FOR AMELIORATING INSOMNIA