The symptoms of dizziness in the head all the time are caused by the following: 1. poor sleep quality, mostly seen in patients who stay up late often and suffer from long-term insomnia, the brain does not get enough rest and symptoms of insufficient blood supply to the cerebral arteries appear, such as dizziness, headache, memory loss, etc. The symptoms of dizziness can be relieved by improving sleep quality in general. 2. insufficient blood supply to the cerebral arteries, such as dyslipidemia, hypertension, etc. The symptoms of dizziness are caused by inadequate blood supply to the cerebral vessels. 3, cervical spine diseases, cervical spine diseases cause dizziness, caused by inadequate blood supply to the basilar artery, can be accompanied by neck discomfort, limb numbness and other symptoms. 4, patients with high fever, anemia can also cause dizziness, it is best to go to the hospital as soon as possible for further examination to confirm the cause of the disease and then treat the symptoms.