Add Yahoo as a preferred source to see more of our stories on Google. Avoiding light at night and seeking light during the day may be a simple and effective way to improve mental health. (Getty Images ...

Tracking people’s light exposure in everyday life reveals that brighter, more stable daily light is linked to feeling less sleepy and responding faster on key cognitive tasks, highlighting light as a ...

Contrary to research done on adults, a recent study found that children may be highly sensitive to light exposure of any intensity before bedtime. Light exposure is known to be a crucial factor in ...

Researchers have found that exposure to specific types of light before sleep can have variable effects on energy metabolism during sleep. Specifically, participants who went to sleep after exposure to ...

Objectives: We sought to measure melatonin levels and 24-hour light intensity exposure in health care workers over a 7-day period in natural occupational and residential settings. Methods: Five office ...

Want to improve sleep and feel more active during the day? For older adults, the answer might be as simple as switching to ...

A corridor at the ACC Care Center showing three of the programmed settings for the tunable LED lighting. The Pacific Northwest Laboratory (PNNL) recently released the results of a U.S. Department of ...

Exposure to blue light, like that from smartphones or tablets, may accelerate bone growth and bone age, leading to early puberty in rats. This research, presented at the 62nd Annual European Society ...

For years, scientists have spoken about the mental health benefits of getting enough sunlight during the day and putting away your phone at night. Now, the world's largest study on light exposure and ...