Correct timing to drink water

Water is essential for the survival of all organisms.water has always been an important and life-sustaining drink to humans. Civilizations have risen and fallen on and for the banks of the rivers. The ruins of the worlds moct ancient civilizations the Egyptian, the Mesapotamian, the Chinese and the Indus valley were on river beds. Was have been and are being fought for it,so is it a necessary topic for discussion in international summits. The importance of water can be seen from the fact that we can live without food for a few weeks but only for a few days without water!
Drinking a lot of water is definitely a healthy way to live your life. Guyton's Textbook of Medical Physiology (a standard reference book) states that "the total amount of water in a man of average weight (70 kilograms) is approximately 40 liters, averaging 57 percent of his total body weight. In a newborn infant, this body water may be as high as 75 percent of the body weight. and decreases as the age progresses. There is also a difference among males and females. 60% water in adult males and 55% in adult females is made up of water.

The exact amount of water a man needs is highly individual, and depends on the condition of the person, the amount of work and physical exercise that he/she does and on the environmental temperature and humidity of that region. In the US and other temperate regions the required intake of water  is 3.7 litres per day for  males older than 18, and 2.7 litres for females. People in hotter climates will require greater water intake. An individual's thirst provides a better guide for the amount of water they require rather than any specific/ fixed  number. An insufficiency of water results in an increased osmolarity in the extracellular fluid (most sensitive fluid comartment in body. This is sensed by osmoreceptors in the organum vasculosum of the lamina terminalis, which trigger thirst. A more flexible guideline is that a normal person should urinate 4 times per day, and the urine should be a light yellow color.

Obesity decreases the body stores of water to about 40%. This is because of the lowered capacity of the fat containing cells in the body called adipose cells to store water. thus the more obese you are the more water is needed to keep you healthy.
The water storage capacity if different tissues is as follows. Muscle tissue - 75% water by weight. , body fat - 10% water and bone - 22% water. Blood contains almost 70% water.
In the normal resting state, input of water through ingested fluids is approximately 1200 ml/day, from ingested foods 1000 ml/day and from metabolism 300 ml/day, totaling 2500 ml/day
So is there a specific timing to drink this water?
Although ther is nodefinite indication for timing of water various studies have shown the following facts.
-Two glasses of water 30 min. before meal will aid in digestion.
-one glass in the early morning after you wake up helps activate internal organs
-One glass before sleephelps avoid stroke or heart attack at midnight.
-One glass after bath helps lower blood pressure.

People who drink enough water not only avoid the pitfalls of dehydration, they accelerate their metabolisms and help prevent overeating. Hence an easier way to loose weight is to have 2 glasses of water 1/2 hour before each meal. The additional advantages of appropriate water intake are-
*Lowered risk of bladder cancer by half for those who drink six or more glasses per day

*Cut heart attack risk nearly in half for those who drink five or more glasses per day
*Reduced risk of a woman to develop breast cancer by up to 79 percent
*Decrease one's chance for colon cancer for those who drink four or more glasses per day
Water is also believed to postpoen the ageing process!