If our bodies are 60% water, then drinking water helps to maintain this balance right? Losing water content results in dehydration, which impacts physical performance, memory, skin quality, and mood. Drinking at least 8 glasses (64oz/1.9L) is the typical recommendation, but drinking at least 2 glasses of water an hour before a meal maximizes the benefits. Your brain will let you know it is full sooner, and you will increase your metabolism.helps to Did you now that 1 in 10 people in the world do not have access to safe water?