OSAKA, Japan — Ever struggled to wake up in the morning? That groggy, disoriented feeling isn’t just in your head; it’s actually called “sleep inertia,” and it can linger for up to two hours after ...

The ideal morning routine should energize you – not drain you. Discover science-backed ways to create a morning routine for ...

The relationship between sunlight and human biology runs far deeper than most people realize. While we’ve long understood that sunlight affects mood, emerging evidence reveals that even brief exposure ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

The 'Big Light' refers to overhead lighting, and people tend to have strong feelings about it. Bright overhead lighting can ...

As daylight diminishes people can feel their mood dimming. Experts say starting light therapy in the fall can help fend off winter depression. As the days get shorter, many people may also find their ...

Blue-enriched light can improve sleep quality and daily activity in older adults living at home, according to new research from the University of Surrey. Researchers found that this type of light ...