Long-term poor sleep may easily cause an increase in blood pressure. If the blood pressure is usually normal, just occasionally poor sleep may cause a temporary increase in blood pressure, which will not last too long, and with the improvement of sleep, the blood pressure may gradually return to normal. However, if long-term poor sleep will lead to repeated mental anxiety, irritability and other emotions, resulting in increased sympathetic excitability, excessive secretion of catecholamines, inhibition of the balance of the regulatory mechanism, resulting in vasoconstriction, peripheral resistance increases, easy to cause a sustained increase in blood pressure. It is recommended that poor sleep should be actively adjusted to sleep, improve the quality of sleep, usually live a regular routine, appropriate exercise is very helpful to sleep. If there are suspected symptoms of high blood pressure, it is recommended to go to the hospital in a timely manner to improve the examination and active treatment, so as not to delay the condition.