Patients did not sleep well at night, the next day, dizziness, vertigo, the reasons are mainly considered the following aspects: first, and sleep is not good has a direct relationship with the patient sleep is not good when the brain is in a fatigue state, the brain blood supply brain lack of oxygen, the patient will have dizziness, vertigo and other symptoms. Secondly, if the patient has hypertension in the past, it will cause the fluctuation of blood pressure to rise, which will lead to the contraction of blood vessels in the patient’s head and diastolic dysfunction, which will also cause the patient to have dizziness and vertigo symptoms. Third, in the case of poor sleep, if the patient in the underlying heart disease, will cause sympathetic nerve excitation, leading to the patient’s heartbeat acceleration, the emergence of frequent premature beats, so that the heart’s ability to pump blood is affected, cardiogenic cerebral blood supply is insufficient, which will lead to the patient to have dizziness, vertigo symptoms.