The best type of water is room temp water
Not stale water, stale water tastes terrible. Cold water is great but it's hard to drink a lot of it at once, hard to chug when you're dying of thirst and won't feel satisfied until your stomach hurts with how much water you've drank. But that amazing room temp water when you wake up at oh God 30' and it's sitting by ur bed or on the table when you feel the need to get up at night, on the table or counter top or floor when you come home and just want a quick drink. No need to wait for the cold water to come out of the sink or fridge or whatever, when there is the beautiful room temp that just tastes so amazing.
Cold water is too cold and has no taste or a very sharp taste and didn't help with the dryness of ur mouth much.
I shouldn't have to explain to anyone why hot water tastes bad. It's because it's too close to how stale water tastes.
Room temp water is the perfect compromise and has amazing taste.