As the name implies, lullabies are some hypnotized music songs, which help the hypnotized to enter a hypnotic state. As early as the Spring and Autumn Period and the Warring States Period in China, the influence of music on physical and mental health has been discussed. Adjusting one's emotions through music is also a psychological suggestion similar to hypnosis.
However, the disciplines of music therapy and music hypnosis were established after the establishment of 1974 World Music Therapy Association. The main function of lullaby is not to put a person into hypnosis, but to use hypnotic music.
Relax.
For example, a soft and monotonous piece of music can relax a person's psychology, induce them to enter a relaxing emotional experience, temporarily forget their troubles, relax their mood, and thus sleep peacefully. When music became therapy, modern music therapy originated in World War II, when American military doctors found that listening to music could not only improve the mood of the wounded and sick. At the same time, it also reduced the infection rate and mortality rate, which attracted worldwide attention.
At first, musicians and clinicians tried to use music in clinical treatment and proved its safety and effectiveness through clinical research. Then, with the intervention of experts in psychology, physiology, neurobiology, acoustics and other disciplines, from the emotional response of music to the biological effects of various human systems caused by music. From music psychology to music neurobiology research, music has gradually become a therapy.