There are many causes of dizziness: 1, insomnia, poor sleep quality can cause insufficient blood supply to the cerebral arteries, causing symptoms of dizziness. 2, cervical spine disease, if the usual cervical spine disease, incorrect sleeping posture at night rest, can cause neck discomfort, dizziness, limb numbness and other uncomfortable symptoms. 3, cerebral infarction, lacunar cerebral infarction can cause dizziness, headache and other uncomfortable symptoms, it is best to go to the hospital as soon as possible to confirm the diagnosis, in order to avoid aggravation of the condition. 4.Acute upper respiratory tract infection, after sleeping at night, the body’s resistance is low, if cold may cause acute upper respiratory tract infection, runny nose, nasal congestion, dizziness, headache and other uncomfortable symptoms. Hypertension, dyslipidemia and other diseases may cause dizziness, it is best to go to the hospital to check blood pressure, lipids, etc. to confirm the diagnosis.