There are many reasons for dizziness and nausea when patients wake up in the morning: 1. It may be caused by elevated blood pressure, and attention should be paid to blood pressure measurement. 2. If a middle-aged or elderly person has diabetes, hypertension, coronary artery disease, cerebral atherosclerosis and other diseases, it may be caused by insufficient blood supply to the brain of the patient. It is recommended that the patient consult a hospital to improve the transcranial Doppler examination for clarification.3. If the patient has sudden onset of dizziness and nausea during waking up, with transient visual rotation, consider that it may be caused by otoliths.4. If the patient has dizziness and nausea, accompanied by tinnitus and ear congestion, consider that it is caused by Meniere’s disease. Patients may experience fluctuating hearing loss if they have multiple episodes later.