America has a dark side, and it’s not afraid to show it. Across the country, ghost stories linger in old mansions, deserted ...

New research indicates that sleeping in brightly lit conditions significantly increases the risk of cardiovascular disease, including heart failure, coronary artery disease, and stroke. This ...

Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another significant benefit. Sleeping in total darkness may lower the risk for ...

Are you ready for a little extra sleep? Californians will turn clocks back and gain an additional hour of rest when daylight saving time officially ends. The trade-off is darker evenings in the fall ...

Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another significant benefit. Sleeping in total darkness may lower the risk for ...

Researchers have discovered that people exposed to brighter light at night face up to 50% higher risks of heart disease, while daytime light may protect the heart by reinforcing healthy circadian ...

Since sweater weather is associated with cozy nights in, the designers recommend a darker color palette for an intimate vibe.

From looping hallways to echoing stairwells, eerie architecture taps into ancient survival instincts—and exposes how our brains map spaces to protect us from harm.