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 ...

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 ...

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 ...

Red light therapy devices are everywhere—from lamps, to full-body mats, to those glowing face masks flooding my social media feed. I usually see red light therapy advertised for "younger-looking skin, ...

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 ...

(CNN) — 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 ...

Oct. 29, 2025 — Our internal body clock influences nearly every aspect of our health, including hormones, metabolism, immune function, and brain activity. And it doesn’t like being reset. Recent ...

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