What Is the Impact of Light on our Health?

Summary

Light has a profound impact on our well-being, influencing everything from our mood to energy levels, and overall health. Whether it’s natural or artificial, effective lighting design can enhance well-being and contribute to a more enjoyable living environment.

Key Takeaways

The Physiological Response
Natural lighting helps regulate our circadian rhythms, signalling when it is time to be active and when it is time to rest.

Wellness Optimisation
From performance to communication, and energy levels, lighting can impact every connection we make and every social situation we find ourselves in.

Lighting in Design
The role light plays in our overall well-being cannot be overlooked, especially when it comes to modern design aesthetics.

“Understanding the body’s natural response to lighting can help us improve overall health and combat several chronic illnesses such as insomnia, depression, seasonal affective disorder, anxiety, and more.”

The Profound Impact of Light on Well-Being

Light has a profound impact on our well-being, influencing everything from our mood to energy levels, and overall health. Whether it’s natural or artificial, effective lighting design can enhance well-being and contribute to a more enjoyable living environment. This article explores the impact of lighting on the body and mind, as well as its significance in architecture and design.

The Physiological Response to Lighting

Understanding the body’s natural response to lighting can help us improve overall health and combat several chronic illnesses such as insomnia, depression, seasonal affective disorder, anxiety, and more.

Natural lighting helps regulate our circadian rhythms, signalling when it is time to be active and when it is time to rest. These rhythms are vital for functions like sleep-wake cycles, core body temperature regulation, hormone production, metabolism, and immune system response. Research suggests that humans spend 90% of our waking hours indoors, yet indoor lighting often fails to complement these rhythms.

A study on office workers found that those exposed to natural daylight exhibited better sleep quality and enhanced mood. As natural light fades, the body releases melatonin to signal sleep time. However, blue light from electronic devices can interrupt melatonin production and inhibit sleep.

How the human Circadian Rhythm is affected by light (Credit: Delos Living)

The Impact of Lighting on Social Interactions

One significant benefit of improved lighting is its positive effect on social interactions. Social interactions are crucial for mental and emotional well-being, and lighting plays a pivotal role in facilitating these interactions.

A study conducted by University College London investigated the influence of different lighting settings on social interactions within a living room environment. The study revealed that high light settings, where objects with social significance are illuminated, encourage individuals to engage more with their surroundings. Conversely, low-level lighting fosters more direct interaction between individuals, enhancing personal connections.

This study underscores the importance of considering lighting design in creating environments that support and enhance social interactions. By tailoring lighting settings to the desired type of interaction, we can create spaces that not only look appealing but also promote better social health and well-being.

Study Date 15 Feb 2022

Published by University College London

Light and Wellness

The link between light and better health is undeniable. Experts conclude that light exposure can reduce stress, increase comfort, and improve our overall quality of life. Cornell University’s Department of Environmental Design and Analysis found that controlled daylight reduces blurred vision, headaches, and eye strain by up to 84%, leading to increased productivity and better performance. From performance to communication, and energy levels, lighting impacts every connection we make and every social situation we find ourselves in.

The Importance of Light in Design

Effective lighting design is essential in modern real estate development and architecture. While maximising natural light is ideal, artificial lighting options also play a crucial role in creating functional and aesthetically pleasing spaces.

In residential settings, lighting should highlight important features, enhance safety, and create a desired ambiance. Smart LED lighting systems offer customisation options such as colour, intensity, motion sensors, and remote control, leading to better efficiency, cost reduction, and user-friendly environments.

Conclusion

The role light plays in our overall well-being cannot be overlooked, especially when it comes to modern design aesthetics. From big windows and skylights to LED and dimmable bulbs, optimising light exposure can have huge benefits for our overall well-being and ultimately enhance our quality of life.

ResearchGate – 2014 | View Article


Cornell University – 2018 | View Article