Staying up late was not good for health. Staying up late for a long time could lead to problems such as lack of sleep, decreased immunity, memory loss, and lack of concentration. Therefore, in order to maintain good health, it was not recommended to stay up until two o'clock every day. The college entrance examination was an important exam, but health was even more important. You should try to ensure adequate sleep time and maintain good eating habits and exercise habits to maintain good health. It is recommended to maintain appropriate rest and exercise during the preparation period. Don't stay up too late to maintain good physical condition.