Does cervical spondylosis cause insomnia? The answer is yes. Many scholars in China have found that some patients with hypertension were found to have cervical spondylosis, and after treatment, the cervical spondylosis was cured and the hypertension was found to be cured afterwards. Domestic scholars reported on the discovery of this phenomenon and concluded that cervical spondylosis can lead to the development of hypertension. So how does cervical spondylosis cause hypertension? There are three pairs of sympathetic ganglia in the neck: the superior cervical sympathetic ganglion, the middle cervical sympathetic ganglion, and the inferior cervical sympathetic ganglion. The sympathetic ganglia are located in the transverse processes of the cervical spine. When the transverse processes of the cervical spine and the surrounding tissues are edematous or adherent, or when the joints of the cervical spine are misaligned, the function of the sympathetic ganglia can be abnormal, and the sympathetic nerves are involved in the formation of hypertension. The dysfunction of the sympathetic nerves (mainly sympathetic excitation) can lead to an increase in blood pressure, which over time can lead to the development of hypertension. Although the majority of hypertension is primary hypertension, hypertension caused by cervical spondylosis should not be ignored. Patients with hypertension should rule out the possibility of cervical spondylosis. However, people with cervical spondylosis do not always have hypertension, and hypertension does not always have cervical spondylosis. Cervical spondylosis and hypertension can coexist without a causal relationship, or cervical spondylosis can cause hypertension with a causal relationship that requires careful observation and treatment for differentiation.