Why do you get dizzy from sitting for a long time?

Sedentary dizziness is relatively common in the clinic, there are many reasons, the most common are the following. First, postural hypotension, the patient from lying into sitting, and then from sitting into standing position, blood pressure will appear different degrees of decline, if necessary, can do upright tilt test. If it is confirmed that there is postural hypotension, change the position slowly, so that the body has to adapt to the process, which is conducive to reducing the symptoms. Second, anemia patients themselves to the body oxygen supply than usual to reduce, if the process of changing position with a certain degree of blood pressure drop, will be higher on the brain location of the organs to further reduce blood supply, oxygen supply, cerebral ischemia, hypoxia can be manifested as dizziness. Third, bad living habits, especially in patients who stay up late for a long time and do not have enough sleep. Improving sleep and ensuring sufficient rest can help relieve symptoms.