My house has a vacuum, a lawnmower, a blender, a washing machine, 20 light switches, a 4 zone heating system, and 6 sinks/showers. I can manage 1.71e10 possible

My house has a vacuum, a lawnmower, a blender, a washing machine, 20 light switches, a 4 zone heating system, and 6 sinks/showers. I can manage 1.71e10 possible states while I sleep, why are you struggling with four?