Staying up late for a long time may lead to the aggravation of fatty liver, which is mainly caused by excessive fat deposition in the liver. There are many causes of fatty liver, and staying up late may just be a trigger. Fatty liver and dietary habits have a great relationship, usually must do low-fat and low-salt diet, can not eat too greasy food, and do not drink alcohol, especially the high degree of white wine must not drink, long-term drinking alcohol may cause alcoholic fatty liver. Staying up late is a very bad habit, and this habit often causes liver disease to worsen. Because long-term stay up late can make the liver can not get rest, aggravate the development of liver inflammation. So make sure you get enough sleep, which is conducive to the repair of liver cells.