Low blood pressure is easy to have the phenomenon of sleepiness, low blood pressure sleepiness is when you get up in the morning, feel no energy, limbs are sore and weak, may be improved by resting for a while at noon, sleep a little, but in the afternoon or evening there is no energy again, and their exertion in the work appears disproportionate consumption. Some overexertion may be felt, but this weakness is not caused by overexertion, but should be caused by uncoordinated muscle contraction and inappropriate consumption of muscle power due to dysfunction of the nervous system. Therefore, long-term drowsiness will affect daily life and work, and may not be able to work efficiently enough to make yourself feel irritable and annoyed, more serious.