Study participants wore trackers on their wrists to measure their activity levels and sleep patterns. We found that people exposed to more hours of blue light in the morning had better sleep and more ...

Participants self-administered both a control white light and a blue-enriched white light for two hours in the morning and two hours in the evening, over an 11-week period. Researchers carefully ...

The study found that the timing of light is crucial. They found that blue-enriched light is only beneficial in the morning, while exposure in the evening makes it more difficult to fall asleep and ...

Participants self-administered both a control white light and a blue-enriched white light for two hours in the morning and two hours in the evening, over an 11-week period. Researchers carefully ...