Women often drink coffee in moderation can play a refreshing, replenish the role of water, but if you often drink a lot of coffee, may cause insomnia, tachycardia and other discomforts. 1, coffee contains caffeine can play the role of excitation of the nerves, whether women or men drink coffee in moderation, help to a certain extent to improve the state of mind and replenish water. And caffeine also has the benefit of promoting vasodilation and blood circulation flow. 2, but if a woman often drink a lot of coffee, especially those who are intolerant to coffee will appear insomnia state, and there are also groups of people will be easy to feel a rapid heartbeat and so on. Therefore, please consume coffee in moderation according to your own situation.