Waking up from sleep with dizziness and nausea and stomach pain may be caused by acute gastroenteritis, hypertension, gastrointestinal bleeding, patients should seek medical attention in a timely manner to clarify the cause of the disease and then carry out the appropriate treatment. 1. Acute gastroenteritis: acute inflammation of the gastric mucosa occurs in the summer and fall, patients have a history of unclean diet before the onset of the disease, there will be dizziness and nausea after waking up stomach pain and diarrhea and other symptoms, such patients should be rehydrated, the use of ropivacaine for treatment when necessary. 2. Hypertension: the blood flowing in the blood vessels exerts great pressure on the walls of the blood vessels, and the patients will have symptoms such as nausea, dizziness, stomach pain, etc. They can be treated with nifedipine, captopril, and so on. 3. Gastrointestinal bleeding: i.e. bleeding that occurs in the gastrointestinal tract from the esophagus to the anus, patients will have nausea, dizziness, stomach pain, cold sweats, etc. They should seek medical attention in time and be treated with octreotide and so on. All of the above medicines should be used under the guidance of a doctor.