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This reflected light can contain little heat content and the reflective illumination from the ceiling will typically reduce deep shadows, reducing the need for general illumination. [29] In the cold winter, a natural light shelf is created when there is snow on the ground which makes it reflective.
Natural and artificial lighting for different heights, functions, moods, and zones is also crucial. “Natural light can cast beautiful shadows and bring ambiance to a space, but this will only be ...
Light to the eyes, primarily blue-wavelength light, is important for the entrainment and maintenance of robust circadian rhythms. Exposure to sunlight in the morning is particularly effective; it leads to earlier melatonin onset in the evening and makes it easier to fall asleep. Natural daylight exposure, particularly at high intensities, has ...
[1] [2] Sustainable lighting is lighting designed with energy efficient light sources. "There are simple design strategies and some materials that can facilitate the energy saving advantages of natural light. Light colored interiors and open floor plans are good choices. This approach also augments artificial light efficiency.
"Avoiding light at night and seeking light during the day may be a simple and effective, non-pharmacological means of broadly improving mental health," the researchers concluded. What experts think
Sunlight is a key factor in photosynthesis, the process used by plants and other autotrophic organisms to convert light energy, normally from the Sun, into chemical energy that can be used to synthesize carbohydrates and fuel the organisms' activities. Daylighting is the natural lighting of interior spaces by admitting sunlight.
Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. Lighting includes the use of both artificial light sources like lamps and light fixtures, as well as natural illumination by capturing daylight.
The source for daylight or natural lighting is the sun. [31] Sunlight provides the greatest quality of light, rated 100 CRI, on the electromagnetic spectrum. There are psychological and physical health benefits that come from using daylight in a space.