太陽光と照明の科学
liproが発信する、光と暮らしの知識

Resetting Summer Sleep Debt | Preparing for Sleep on Late Summer Nights with Light
During the lingering summer heat, when restless nights continue, sleep debt tends to accumulate. We'll introduce tips for preparing for sleep by prioritizing temperature control...

Summer Vacation Disrupts Your Routine: Re-establish It with Morning Light
During summer vacation, sleep and wake times tend to become irregular. We'll introduce tips for both children and adults on...

If you find your room dark during the rainy season | How to optimize your indoor time and lighting
The rainy season is a time when sunlight decreases. We'll summarize why rooms might feel dark, and how to adjust...

Bedroom in a Tropical Night and Light | Creating a More Comfortable Environment for Hot Nights
Lighting does not lower the temperature in a room. However, it plays a definite role in increased nighttime activity due...

How to Adjust Light an Hour Before Bed | Prepare for Sleep Starting Tonight
Try changing the way you use light for just one hour before bed. Here's a sleep preparation routine you can...

Learning and Light | Understanding Lighting for a Productive Space Through Research Data
How should you arrange the lighting in your room when you want to concentrate on studying or working? This article...

Children's Eyes and Light: Decoding Blue Light and Color Rendition with Research Data
Children's eyes are said to be more susceptible to the effects of light than adults'. We will organize how to...