Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults -- but only if they time it right. NY Post Composite Blue light ...

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 ...

And those who experienced peak activity later in the afternoon — from 2:15 p.m. onward — had a 45% higher risk of dementia ...

Research shows that exposure to bright light at night raises mortality risk, particularly from heart disease and diabetes, but seeking daylight could lower these risks and promote longevity. Study: ...

(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 ...

A new study has an important implication for tweens and young teens as they head back to school: Taking a gadget to bed could really hurt their sleep. Enough light exposure at night can keep anyone ...

Most people associate mental sharpness with sleep and breaks. New research suggests, however, that light may also play a ...

Bright outdoor light exposure at night is associated with an increased risk of heart disease, according to an October study published in the Journal of the American Medical Association. Light at night ...