Good example of a misidentified problem. That engineer identified the problem as the lights need to be on when somebody is in a room and off otherwise, and off

Good example of a misidentified problem. That engineer identified the problem as the lights need to be on when somebody is in a room and off otherwise, and off when the person lies down. But the real problem is that turning the lights on and off normally takes too much effort (for a #firstworldproblem at least). You have to walk over and flip a switch, interrupting whatever you doing. A better solution would be design a system that lets people control the lights with minimal effort - a gesture, or a clap, or a voice command. So you can turn on the lights only when dark and not during the day, or when you want to read in bed, etc.