What scientists know is that just as artificial light at night disrupts ... among Chinese adults, bedroom light pollution makes sleep more fragmented, contributing to less total sleep time.

Sarah Murphy and Stefaan du Pont For artificial light, start by planning the fixtures that will provide general illumination by delivering a wash of light over most of the room. In new homes ...

Artificial light, especially at night, can trigger the brain’s wake-up centre, keeping us awake throughout the night. Bedroom ...