If your family is not a single family, it will be more troublesome if people live upstairs and downstairs, because there is a drainage pipe in the kitchen and water is needed for cooking and washing vegetables upstairs. Will the sound of water flowing in the drain affect your reading and study? The sound of chopping vegetables and meat upstairs and downstairs reaches the ears of learners. Aren't you bored? The sound of pots and pans colliding, and so on, all have an impact.