There are two main causes of dizziness after waking up: 1, insomnia, late bedtime or poor sleep quality, the brain does not get sufficient rest can appear cerebral artery insufficiency symptoms, dizziness, drowsiness, memory loss and other symptoms, usually do not stay up late, improve the quality of sleep, dizziness symptoms will slowly improve, without treatment. 2, cerebral artery insufficiency, blood flow slows down at night when resting. If you have dyslipidemia, cerebral atherosclerosis and other diseases, you will experience dizziness and other symptoms of insufficient blood supply to the cerebral arteries, which can cause an increase in platelet aggregation in the blood vessels and cerebrovascular diseases such as cerebral infarction. Drink more water, eat a light diet, exercise properly, control weight, blood pressure and blood lipids, etc. It is best to measure blood pressure and check blood lipids first when symptoms of dizziness occur.