By HealthDay News HealthDay ReporterTHURSDAY, Sept. 10, 2026 (HealthDay News) — Exposure to too much light at night may ...

A new study found that nighttime light exposure above three lux was associated with changes in heart muscle shape and ...

The extent of damage rose as the bedroom grew brighter, according to the study.

New research shows that even dim light during sleep — as low as 3 lux — may thicken heart muscle walls and reduce heart ...

A new large study adds to growing evidence that the environment can influence heart health, suggesting that excessive ...

Nighttime light exposure above 3 lux was linked to changes in heart structure and increased cardiovascular disease risk in a ...

Exposure to light during the nighttime is linked to important and potentially harmful changes to the structure and function of the heart, according to a study of more than 11,000 people published in ...

A recent study, published in the European Heart Journal, has found that being exposed to light at night may cause important ...

A study of more than 11,000 UK adults found that brighter light during sleep was associated with changes in heart structure and function, though causality remains uncertain.

A new study suggests that exposure to light during sleep, even at low levels, may negatively impact heart health. Related ...

A recent study discovered that even little amounts of light during sleep may affect the heart, possibly increasing the ...

A new study of more than 11,000 patients suggests that darkness is necessary for the heart to function at full strength.