First, let's look at a set of data: According to the US FDA (Food and Drug Administration), most adults have experience of cervical spondylosis and insomnia. Nearly 70% of adults often suffer from insomnia, and 30% of them suffer from it. Cervical spondylosis and intractable insomnia. According to a sample survey conducted by the department in 2001, among people over 35 years of age, people who often suffer from insomnia and cervical discomfort accounted for 29.83% of the total number of adults; among them, among urban population, adults accounted for 46.47%. That is to say, one out of every three adults is a patient with insomnia and cervical spondylosis. The incidence of cervical spondylosis accounts for 35% of the number of adults... Look, what a terrible number! Therefore, the cervical pillow should not only have a simple health care function, but also have the initial function of treating cervical vertebrae, insomnia and other symptoms.