The Role of Windows in Health and Wellbeing – Natural Light

It is impossible to overestimate the impact of our built environments on our health and wellness in today's fast-paced, technologically advanced world. The contribution that windows provide to raising our standard of living is one sometimes disregarded feature of our living environments. 

Natural Lighting Science

Sunlight, commonly referred to as natural or daylight, is the illumination. It is a dynamic and ever-changing source of light that has long been essential to human existence. Natural light has various advantages for our health and welfare that have been scientifically demonstrated, in addition to its visual appeal.

Enhancement of Mood: Serotonin, a neurotransmitter that fosters emotions of happiness and well-being, is known to be released in response to exposure to natural light. It can lessen stress and assist in easing depressive symptoms.

Regulation of Circadian Rhythms: The circadian rhythm, or internal body clock, is influenced by natural light. Our ability to keep a regular sleep-wake cycle is aided by receiving enough exposure to daylight during the day and darkness at night. This enhances mental performance, general health, and sleep quality.

Productivity Gains: Research has shown that workplaces with lots of natural light increase employee concentration and productivity. Improved concentration and alertness are related to improved work output and job satisfaction.

Vision and Eye Health: Natural light creates the ideal environment for comfort and clarity in an image. It lessens eye strain and lowers the likelihood of eye conditions like myopia (nearsightedness) and digital eye strain.

Vitamin D Synthesis: Vitamin D synthesis in our skin depends on exposure to natural light and is critical for preserving bone health, enhancing the immune system, and lowering the risk of several chronic diseases.

The Effect of Windows on Health

Our homes and offices receive the majority of their natural light via windows. The quantity and quality of natural light we receive are significantly influenced by the layout, size, and design of the windows in our homes.

Placement of Windows: Windows that face south typically receive the most direct sunlight throughout the day, letting in plenty of natural light. Architects and designers frequently place windows to maximize natural light.

Window Size: Larger windows let in more light from outside. A room can be illuminated with natural light using skylights or floor-to-ceiling windows, giving it a feeling of openness and vibrancy.

Window Quality: The quality of natural light can be affected by the type of glass used in windows. To maintain a balanced and secure interior environment, low-E (low emissivity) glass can block dangerous UV rays while allowing visible light to pass through.

Window Coverings: Blinds or curtains are window coverings that can impact how much natural light enters a room. Control over privacy and light intensity is possible with adjustable covers.

Practical Advice on Using Natural Lighting

Consider the following useful advice to make the most of natural light in your living or working spaces:

  • Place seating areas or workstations next to windows to best use natural light while setting up your furnishings.
  • To increase the amount of natural light that enters a space and give it a brighter, more inviting vibe, use reflective surfaces like mirrors.
  • To allow as much natural light to enter your home as possible, keep your windows clean.
  • Walls and ceilings should be painted or finished in light colors to reflect natural light and accentuate its impact.
  • Include indoor plants, which purify the air and grow when exposed to sunlight.


Windows serve as entryways to better health and well-being rather than simply being holes in our walls. These windows allow for natural light, which significantly impacts our mood, sleep habits, productivity, and general quality of life.

When building or remodeling a room, architects, interior designers, and homeowners should consider windows' significance and their part in utilizing natural light.

Natural light is essential, and by prioritizing it and selecting high-quality windows from reputable suppliers like Dako, we can make spaces that are healthier, more lively, and more welcoming while also improving our physical and mental well-being.

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