People who stay up all night, the first thought is to drink coffee or tea a refreshing, nutritionists said, caffeine will indeed people’s spirits. However, the U.S. St. Luke’s Hospital (St.Luke ’sHospital) Sleep Medicine Research Center study showed that caffeine is not necessarily effective in enhancing work efficiency, even though useful, is also to maintain only a short time. Although caffeine refreshing, relatively consume the body and nerve and muscle coordination of the vitamin B group, the lack of vitamin B group would have been easier to tired, are more likely to form a vicious cycle, to develop a drunk tea, drunk coffee habits, requirements More and more, the result is not bad to worse. Therefore, we must stay up late when added more multi-vitamin B group, but more effective. Stay up all night, some people think that eating sweets can add heat, in fact, stay up all night sweets is taboo. After dinner, or late at night, do not eat too many sweets, although high-calorie high-sugar, though exciting to some extent, but it will consume vitamin B group, resulting in negative effects, it tends to lead to obesity. Generally speaking, stay up all night to preventive health care still depends on the diet must be balanced intake of six major categories of food. But in order to stay up late, eat dinner foods rich in vitamin B group is absolutely necessary! Quite a lot of vitamin B group members, including folic acid, niacin, vitamin B6, vitamin B12, etc., they are not only involved in metabolism, provide energy, protect nerve cells, stability and nerves, relieve anxiety and also be helpful. Dark green leafy vegetables and legumes, are rich in folate, helping cells repair, prevent infection and anemia; liver, fish, whole grains, soy foods, fruits and vegetables have vitamin B6, or niacin, can maintain the skin healthy, slowing down the aging; as with memory, attention-related vitamin B12, in the red meat, milk, cheese in the eat to be.