There are three main reasons for drowsiness after seizures: a. The muscle tone of the limbs increases and clonus in epilepsy, when the muscle tone of the throat increases and is in spasm, which will cause the occurrence of hypoventilation, the oxygen supplied to the body will be insufficient, the brain cells do not have reserves of oxygen, there will be a state of lack of oxygen in the brain cells, manifested as cerebral edema, the symptoms of headache after epilepsy, and the patient will have consciousness The patient will have symptoms such as confusion and drowsiness. The majority of seizures are given anti-epileptic drugs, which have a sedative effect and will prolong the patient’s sleep time. When a seizure occurs, the whole body muscles are in increased muscle tone and the limbs are in a clonic state, which is extremely physically demanding and requires sufficient rest to recover, so the sleep time will be extended.