How to treat cerebral insufficiency of blood supply? I can't sleep at night

Insufficiency of blood supply to the brain is best to go to the hospital to do cerebral angiography to check the cause, need to be treated with anti-platelet aggregation drugs under the guidance of a doctor, but also need to treat the primary disease. When the patient has vascular stenosis, it needs to be treated by stent or interventional surgery. Insomnia can be relieved with sedative hypnotic drugs under the guidance of a doctor.