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Well-designed lighting is not just a matter of aesthetics. Both natural and artificial light have a huge impact on our mental, physical, and overall well-being. In this article, we show how light shapes our circadian rhythm, mood, and energy levels, and how to choose the right light at home and work to feel better every day.

How does natural light affect humans?

Natural sunlight is one of the key factors regulating the circadian rhythm (the biological clock). Exposure to daylight in the morning stimulates the production of cortisol, the hormone responsible for energizing the body. In the evening, when there is less light, the level of melatonin increases, allowing us to peacefully fall asleep.

Too little natural light can lead to sleep disturbances, low mood, concentration problems, or decreased immunity.

Artificial light and its role in daily functioning

In a world where most of our time is spent indoors, appropriate artificial lighting becomes crucial for comfort and health. Inappropriately chosen LED or fluorescent lights with too cold or too warm color temperature can:

• strain the eyes,
• cause irritability,
• negatively affect sleep quality,
• induce chronic fatigue.

On the other hand, well-designed lighting:

• supports concentration,
• promotes relaxation (depending on the setting),
• creates a friendly atmosphere at home or in the office.

Light and emotions and psyche

Research shows that lighting can have a real impact on mood. Bright, warm light improves mood and builds a sense of security. Cold, intense light can facilitate mental work but also cause discomfort when too intense or used at the wrong time of day.

That's why lighting is used, among others, in seasonal affective disorder (SAD) therapy. Lamps emitting light with the right color temperature and intensity help combat low mood in the autumn-winter period.

How does proper lighting arrangement affect quality of life?

Properly designed lighting:

• adjusts to the room's function,
• considers natural light sources,
• allows for controlling color temperature and intensity (e.g., using smart home systems).

Example: bright light with a neutral temperature works well in the kitchen, while warm, diffused light is better for the bedroom.

Practical tips to improve light quality at home

1. Maximize the use of natural daylight - uncover windows, avoid heavy curtains.
2. Use layered lighting (general, task, decorative).
3. Adapt color temperature to activity (cool for work, warm for relaxation).
4. Invest in LED profiles and diffusers to scatter light and eliminate glare.

Summary

Light, both natural and artificial, is one of the most important elements of our environment. Its proper arrangement directly affects our health, well-being, and daily comfort. It's worth examining our lighting and considering whether it meets our needs.

AVA LIGHT Sp. z o.o.

Puławska 38 St.,

05-500 Piaseczno,

POLAND

NIP 123-15-75-215

+48 609 051 044

+48 794 315 678

info(at)avalight.pl

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