How much water is enough? Medical opinions vary. The Institute of Medicine advises that in order to replace the water lost in a normal day, men need to take in roughly 3 liters (about 13 cups) of total beverages a day and women need 2.2 liters (about 9 cups) of total beverages a day. You can read more here: Water: How much should you drink every day? – MayoClinic.com
You may want to change your water drinking pattern to earlier in the day and later in the day. This will get your body ready for when you can’t eat or drink during Ramadhaan.
But the main focus before Ramadhan starts is on hydrating your body well. You don’t want to start this upcoming Ramadhan in a state of dehydration — Signs of Dehydration.
Be sure to check with your health care provider about the amount of water that
is right for you.