How should one year old darling do all the time after having a fever midnight yesterday

1-year-old baby has been sleepy after midnight fever may be due to high body temperature caused by mental dispirited, should be checked in time with a thermometer. If the baby's temperature exceeds 38.5 degrees should be admitted to hospital for treatment according to the doctor's advice, high body temperature may appear in the body water electrolyte disorder symptoms, should be timely rehydration treatment according to the doctor's advice.