2. Drinking red wine before going to bed helps female friends to sleep, making them fall asleep faster and sleep more relaxed and comfortable. This is because red wine contains melatonin, a substance that can assist sleep, so female friends with insomnia tendency can drink a glass of red wine before going to bed every day. In addition, drinking red wine before going to bed also helps to lose weight. However, it should be noted that it should be pure red wine, not red wine mixed with Sprite, and the drinking amount should not be too much, about 50 ml.