things to the internet like light bulbs, even our sofas can have electrical components and connect to the internet, the idea of internet connection with our objects or things is that it somehow improves our lives.

Yes, this is one of the basic uses of IoT in homes as it gives people the chance to control the lights from the bulbs remotely without having a physical contact with the switches, and even play music, it can be done remotely with IoT. Also blockchain makes IoT more secured and efficient.