Headache, dizziness, weakness, and desire to sleep are common in clinical practice. The specific causes should be analyzed in relation to the patient’s trigger of onset, the degree of dizziness and headache, and the accompanying symptoms. The most common clinical causes mainly include the following: 1. Functional causes, many patients will have this performance when they have neurological weakness, emotional anxiety, tension, depression, dizziness, headache, weakness, and wanting to sleep, but the patient’s sleep is not good. 2. In the case of the elderly, consider the relationship with cerebral atherosclerosis, because as age increases, the elasticity of blood vessels decreases, blood vessels gradually As the elasticity of blood vessels decreases with age, blood vessels gradually harden and become thinner, the blood supply flow to the brain becomes less, and brain tissue becomes ischemic and hypoxic, causing patients to have dizziness, headache, weakness, and always want to sleep.