Summary: A study conducted by Brigham and Women’s Hospital found that spending more time in bright light, akin to daylight exposure, is associated with improved sleep regularity, which in turn correlates with lower depression symptoms and reduced odds of mild or severe … [Read more...]
Artificial Light Is Disrupting Bees’ Sleep
Summary: A study by researchers at UC San Diego reveals that artificial light disrupts the circadian rhythms of honey bees, reducing their sleep and impairing behaviors crucial for their role as pollinators. The findings highlight the potential threat of light pollution to bee … [Read more...]
How Light Tells You When to Sleep, Focus, and Poo
By Frederic Gachon, The University of Queensland and Benjamin Weger, The University of Queensland This is the next article in our ‘Light and health’ series, where we look at how light affects our physical and mental health in sometimes surprising ways. Read other articles in … [Read more...]
Shadows to Light Gala Recognizes Three Narcolepsy Leaders, Raises $450,000
Narcolepsy advocacy organization Wake Up Narcolepsy (WUN) hosted its inaugural Shadows to Light Gala in New York City on September 20, 2024. This large-scale in-person gala raised $450,000, which will be put toward furthering narcolepsy education and awareness, expanding … [Read more...]
LG’s OLED TVs Earn Eyesafe Circadian Certification for Reducing Blue Light
Summary: LG Display has earned Eyesafe Circadian Certification for its OLED TV and monitor panels. The certification, based on the Circadian Protection Factor (CPF) score, recognizes the displays’ ability to limit blue light. This achievement highlights LG’s commitment to … [Read more...]
Researchers Shed Light on Mechanism Behind Sleep Homeostasis
Summary: Researchers have discovered that strengthening synaptic connections in the brain’s prefrontal cortex induces deep sleep, revealing an important mechanism behind sleep homeostasis. By applying a molecular tool called SYNCit-K to mice, the enhanced synaptic strength … [Read more...]
Why Light Pollution May Be Linked to Greater Risk of Alzheimer’s Disease
By Rahul Sidhu, University of Sheffield Light pollution is a growing issue. Over the past 25 years, artificial lighting has surged by 49% worldwide. For perspective, the brightness of the night sky has risen by almost 10% per year over the last 12 years. Around 80% of the global … [Read more...]
Light That Mimicks Sunset Colors Helps Reset Circadian Rhythm
Summary: Researchers at the University of Washington have developed a new LED light that mimics the natural colors of sunrise and sunset, alternating between blue and orange wavelengths, and this light was found to be more effective at advancing melatonin production and resetting … [Read more...]
Light Pollution May Increase Alzheimer’s Risk
Summary: A recent study suggests that exposure to outdoor light at night, particularly in individuals under 65, may increase the risk of Alzheimer’s disease (AD). Researchers found that higher levels of nighttime light pollution were associated with a greater prevalence of AD, … [Read more...]
Blue Light Filters Now Have an Easy-to-Understand Rating System
Summary: UL Solutions and Eyesafe have introduced a new program that provides a standardized rating system for blue light and privacy screen protection products used on electronic devices. This program allows consumers to compare the effectiveness of different screen protectors … [Read more...]