As neuroanthropologist and Specialist in exercise therapy I teach strength an balance in our Perky Parkie SilverSneakers class in Saddlebrooke. Dehydration symptoms like dizziness, confusion, etc resemble other chronic conditions, assure that it is not self inflicted dehydration.
Open mouth breathing is shallow breathing it deprives the brain of oxygen and contributes to dehydration. The brain uses 20% of our oxygen when it is only 2% of our body.