Home Blog
Is Your Winter Depression Actually a Light Deficiency?
Light powers our cells, sets our internal clock, and eases symptoms of seasonal depression.Listen to our podcast about the article:
Personal light exposure research needs a common standard, not a thousand...
Photo/image by: Nadja Baltensweiler
Personal light exposure has become a central construct in light-and-health research: many researchers now routinely use wearables...
Mental Health and the Body Clock: What Questions Should Research Be...
Do you ever wonder about who decides what research focuses on? Well, usually it’s decided by researchers and the people who fund research (which...
The biology of light, according to Manuel Spitschan, PhD
As I talk with Katharina Wulff, the sun slowly sets in Umeå, northern Sweden, and the April snow is gradually melting outside her windows....
The Hidden Clocks That Power Our Body’s Defenses
A study, led by scientists at Waipapa Taumata Rau, University of Auckland, has uncovered how our immune system synchronizes with daylight to...
Katharina Wulff, PhD, Moving Boundaries Collaborative
As I talk with Katharina Wulff, the sun slowly sets in Umeå, northern Sweden, and the April snow is gradually melting outside her windows....
Lisa Heschong, Fellow, Illumination Engineering Society
Olympic Swimming Hall, Munich, Germany. Architects: Frei Otto and Gunther Behnisch, 1972. Photo by Lisa Heschong, 2025.
Talking to Lisa Heschong on an early Thursday...
Transform Your Sleep and Energy with AYO Glasses: A Life-Changing Tool...
Imagine waking up each morning fully refreshed, ready to conquer your day with more energy and focus. This is the promise of...
A brief chronotherapeutic intervention for delayed sleep timing and depressed mood...
Night owls are more prone to depression than early lark, suggesting there’s something about the timing of sleep that impacts mood. However, some people...
