If a patient suddenly gets up in the morning with dizziness and nausea, there may be the following reasons: 1. Consider neurological diseases, such as acute cerebrovascular insufficiency, TIA attack, acute cerebral embolism, acute cerebral infarction, cerebral hemorrhage and so on, will have sudden dizziness with nausea when getting up in the morning. 2. For the patients with unstable blood pressure, especially those who have a history of high blood pressure, the blood pressure is not well-controlled will have sudden dizziness, nausea, weakness and other clinical symptoms and manifestations when getting up in the morning. 3. For patients with unstable blood pressure, especially those with a history of hypertension, poor blood pressure control may cause sudden dizziness, nausea and weakness in the morning. 3. For endocrine and metabolic diseases, such as thyroid dysfunction and adrenocortical dysfunction, dizziness and nausea in the morning may be accompanied by palpitations. 4. For diabetes mellitus patients with poor blood glucose control may also have such clinical symptoms and performance. 5.