According to national science, engineering and medical academies, women should drink 11.5 cups (2.7 liters) of water per day and men should drink 15.5 (3.7 liters) of water. This includes beverages like water, tea, juice and fluids obtained from food. On average, you get 20 percent water from the food you eat. This means that you should drink eight glasses of water every day to keep yourself hydrated. This means that you should drink at least 2 liters of water every day.
In these conditions, the amount of water should be increased:-
Activity level: Exercise makes you sweat more. If you also do heavy and intense exercise, you should increase water intake. Individuals participating in long physical activities such as marathon often require to meet both water and sodium deficiency.
External temperature: When the external temperature rises, you should adjust your water level. You may feel thirsty in hot weather.
Health and Medicine : If you have some health problems, such as thyroid disease or kidney, liver, or heart problems; Or if you are taking medicines that accumulate water in your body, such as nonsteroidal anti-inflammatory drugs (NSAIIDs), opiate pain reliever, and some anti-depressive medicines, then you may be drinking too much water.