There are many causes of dizziness in the morning, and it is best to clearly diagnose and treat the cause. Common causes of dizziness in the morning are as follows: 1. Postural hypotension, especially when you suddenly sit up when you get up, which can easily cause cerebrovascular ischemia in the high position, resulting in the oxygen supply to the nerve tissue cells, which can cause dizziness. 2. Anemia, due to the decrease in the hemoglobin content of the blood, will cause the oxygen content of the blood to drop, resulting in brain hypoxia, which can lead to dizziness at this time. 3, sometimes heart disease, coronary heart disease, myocarditis and other heart diseases: can cause a decrease in the contraction of the heart muscle, the cerebral circulation is insufficient blood supply will lead to cerebral ischemia, which will also appear dizzy symptoms. 4, inner ear infection, Meniere’s syndrome sometimes can appear vertigo, ringing in the ears, reduced hearing, and even dizziness. 5. In some people with fever, dizziness may occur due to the effect of pathogenic toxins and increased body temperature, which the body cannot tolerate. 6, sometimes some cerebral thrombosis, traumatic brain injury, cervical spondylosis, side effects of certain drugs blood viscosity, poor rest and other conditions can also lead to dizziness. When the symptoms of dizziness can not be relieved by themselves, you need to go to the hospital in time for examination.