In a recent PNAS study, researchers demonstrate that acute exposure to artificial light during nighttime sleep, even for one day, can increase heart rate and insulin resistance by activating the ...

Dim lighting did not have the same effect, small study shows. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One night spent sleeping in a ...

BOULDER, Colo. (StudyFinds.org) – A child’s night light may do more than keep away the monsters hiding under their bed. A recent study by a team at the University of Colorado at Boulder suggests even ...

Sleeping with a light on can play havoc with insulin levels and consequently impair the response to glucose, a two-night sleep-lab study of 20 people indicates. "The most important finding" is that ...