To stay up late at night to achieve the state of not sleepy, generally is to drink refreshing drinks. First of all, you can drink some Red Bull drink, which is a functional drink, with refreshing, anti-fatigue effect, the main ingredients are water, sugar, caffeine, vitamin B and other ingredients, more suitable for people who stay up late at night to drink. Then you can drink some tea or coffee, need to be a little more concentrated, so you can play the role of refreshment, because coffee and tea are rich in caffeine, with stimulation of the brain nerve excitation, anti-fatigue, refreshing effect. When staying up late try to eat some fresh fruits and vegetables, supplemented with vitamin C, also has a certain anti-fatigue effect.