Los Angeles has never been a truly dark city. Streetlights, security lighting, traffic, illuminated signage, and neighboring buildings create a steady nighttime glow that often reaches deep into the home. That matters indoors, especially in bedrooms, where darkness supports better sleep. The CDC notes that a very dark, quiet, comfortable room can improve rest. Visit : https://fandrinteriors.com/mastering-the-dark-how-roman-blackouts-are-solving-las-light-pollution-problem/