Need more info Please contact me on my private chat window for full details..

There will be minimal changes in digestion but nothing drastic and won't cause any drastic problems. The ideal timings to take water are: 7:00 - 1st Glass Drink your first glass of water after you wake up to hydrate your body after a long night’s rest. Take your breakfast at least half an hour after the first glass. 9:00 – 2nd Glass It’s approximately 1 hour after your breakfast; have a glass of water and start your work day. 11:30 – 3rd Glass Have a glass of water 30 minutes before lunch. 13:30 – 4th Glass Drink a glass of water an hour after lunch to allow the nutrients from the food to be better absorbed by your body. 15:00 – 5th Glass During your tea break, have a non-sweetened drink to freshen your mind. 17:00 – 6th Glass This glass of water will keep you satiated and prevent overeating during dinner. 20:00 – 7th Glass Have a glass of water an hour after dinner and before you shower. 22:00 – 8th Glass Drink your last glass of water an hour before bedtime to aid in the cell renewal process during your sleep.

No, It's ok to drink water during meals, only thing it should be at normal  temperature not ice cold water.