Drinking water at a certain time maximizes its effectiveness on the body

2 glasses of water @ waking up - helps activate internal organs
1 glass of water 30 minutes before a meal - helps digestion
1 glass of water before taking a bath - helps lower blood pressure
1 glass of water before going to bed - helps avoid stroke or heart attack

Water at bed time can also help prevent night time leg cramps. Your leg muscles are seeking hydration when they cramp and wake you up with a Charlie Horse.