Drinking water is good for our health for several reasons. First, drinking a glass of water after we woke up in the morning could regenerate and refresh all part of our body. Second, drinking a glass of water in one hour or half an hour before breakfast, lunch, or dinner could help to refresh our digesting system. After that, drinking a glass of water in night time before going to bed could make our body part become relax and also could avoid us from stroke or heart attack. Therefore, drinking at least eight glasses of water in a day can keep us healthy and fit as doctors recommends.