Holding up two swatches, my mother asked: should a living room be painted light or dark? Oh, what a question. On the one hand, dark colors are deep, rich, and immediately set the tone for the space.

Alex Papachristidis, a designer in New York, often selects a sunny choice. “I’m not such a dark room person by nature,” he said. “Even if I do paint a room or upholster a room in a dark ...

Do you sleep with light on or a dim light? It can disturb your sleep-wake cycle. Light exposure before sleep can make it ...

That's why macOS, in the Appearance section of System Settings, offers an Auto option, which switches to dark mode at sundown. This works well enough if you're working in a room with windows ...