Include one habit in your lifestyle as soon as you wake up in the morning that is to drink lukewarm water. Lukewarm water should be drunk first thing in the morning on an empty stomach. Starting the day like this is considered good for health. Drinking water on an empty stomach in the morning improves digestion. The body gets detoxed and the toxins accumulated in the body are eliminated. However, you should know the right rules and methods of drinking water in the morning. How many glasses of water should one drink after waking up in the morning? Let us know in detail.