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Healing and Awakening Effects by Vibration Based on Subjective Evaluation of Music: Application to Massage

The human brain has two states, i.e., a sleep state and an awake state. Human beings live by circulating these two states in a well-balanced. If the transition from an awake state to a sleep state or from a sleep state to an awake state becomes difficult, balance is lost, and sleep disorder occurs. Therefore, the way to control the transition between awake and sleep states smoothly is needed. In order to shift the sleep state and awake state bidirectionally, this study uses vibrations as a method to promote the transition of sleep state and awake state with minimum invasion to the body. In this study, a vibration is generated based on the music that subjects felt healing and awakening, and is evaluated by giving vibration and sound to subjects with a massage chair. As a result, it turned out that the effect of the vibration corresponds to the impression of music which subjects receive. Also, it is found that personal favorite music enhances the healing (or awakening) effect of the vibration.