How does lighting affect mood?
You're probably reading this article in an indoor interior. For most people, modern living requires spending most of the day in indoor and artificial rooms.
However, while artificial light provides humanity with numerous possibilities, it also causes confusion in our bodies that have evolved for thousands of years to respond to the stimuli of daylight and night darkness. This response to natural light is called circadian rhythm or cycle and describes the 24-hour biological cycle of almost all living things. Circadian rhythm is mainly affected by light uptake, but temperature and other stimuli also play a role in this process.
Our natural clock is located in the part of the brain called the hypothalamus, which is linked to photoreceptors in the body (such as the retina). These receptors are responsible for synchronizing our internal clock with the light we absorb throughout the day. Understanding the circadian cycle is important because it affects the rhythms of the human body and affects sleep, mood, alertness, digestion, temperature control, and even cell regeneration. Research has shown that sufficient light increases mood and energy levels, while poor lighting contributes to depression and other body deficiencies. The amount and type of light directly affects concentration, appetite, mood and many other aspects of daily life.
But how can we have a healthy circadian rhythm if we spend most of our time in artificial light? Or the last thing we do before bedtime and the first thing we do when we wake up is to check our phones?
How can architects use lighting to promote a healthy circadian rhythm and, therefore, a healthier life? Researchers propose to simulate natural daylight cycles using artificial light. Brighter and stronger lighting is recommended in the morning and during the day, while dimmer lighting is recommended for the night. Conversely, configurations can lead to a confusing circadian rhythm that can alter our sleep patterns or reduce our energy throughout the day. A study at the University of Toronto shows that bright light “intensifies our initial emotional reactions to a stimulus” and “its effects can be both positive and negative, ışık pointing to the importance of light power.
The color temperature of the light also affects the human body. The higher the color temperature, usually shown as Kelvin (K), the brighter and cooler the light. In this case, “hot” and “cold” are not the physical heat of the lamp, but the tone or color of the light.
Warm light makes our environment feel warmer and more relaxing, while cold light makes the environment more stimulating, making us feel more focused, more focused, and improving our productivity. It is also believed that blue light reduces the level of melatonin, a sleep-related hormone, and makes us feel more alert. Because computers and mobile screens emit a lot of blue light, that last email check before bedtime makes our sleep less peaceful. When used wisely, however, blue light can be ideal in areas where the mind needs to work at full speed, such as meeting rooms, industrial kitchens and even high concentration factories.
The yellow tones at the bottom of the color scale correspond to the twilight and dawn times when the body is usually more relaxed. It makes sense if you think that until recently people were not exposed to high intensity lighting at night, only moon and fire light. Light, indirect and warm lighting tend to make environments quieter and more comfortable. While this is not a good choice for a work environment that requires productivity and productivity, it can be useful for a restaurant, relaxation area or bedroom.
Experts agree that the use of sunlight during the day and no direct exposure to cold or blue light at bedtime can improve sleep quality and positively affect a person's health and productivity. In addition, even though it is impossible to control the lighting of all the environments and spaces in which we are, it is important for us to re-evaluate some of the choices that we would make, otherwise without thinking, to be aware of the effects of the It can provide.
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