If a patient wakes up with dizziness accompanied by spinning in the sky, there are usually several factors: 1, for example, acute cerebrovascular disease, in the case of acute cerebral hemorrhage, cerebral infarction, cerebral embolism, transient ischemic attack, etc.; 2, if a patient with a significant history of cervical spine disease in the past, when the sixth and seventh cervical vertebrae or the second to fifth cervical discs are compressed during sleep, there will also be There will be a situation where the sky is spinning because of insufficient blood supply to the vertebrobasilar artery; 3, for patients with a previous history of diabetes, if there is a paroxysmal hypoglycemic reaction during sleep and low blood sugar when sleeping up will also have the above situation; 4, for patients with a previous history of hypertension, if acute hypertension occurs when high pressure >180 mmHg and low pressure >120 mmHg, resulting in increased intracranial pressure, there will also be dizziness and spinning in the sky.