Blaulicht

Better performance, alertness and sleep quality with blue-enriched light?

Um eine möglichst positive biologische Wirkung zu erzielen, sollten Lichtfarbe und Beleuchtungsstärke auf den zirkadianen Rhythmus des Körpers abgestimmt sein.

Scientists have found that the body's own processes are strongly influenced by external light sources. Until more than 100 years ago, people mostly only worked in daylight. Only recently have people been able to work for longer periods of time with the help of artificial office lighting.

In fact, inadequate office lighting at certain times of the day can disrupt the body's natural rhythms.



The biological effects of light

In 2002, scientists discovered retinal ganglion cells and with them the function of hormone control via melanopsin. This is a protein that helps regulate certain hormones in the body, such as vision itself. These hormones can affect the body's alertness or its ability to sleep.

Physiological changes as a result of light stimuli can occur within just 60 seconds of a change in external light.

The color temperature of the light also has a major influence on the body's internal rhythm. For example, blue light can suppress the body's ability to produce melatonin, leading to increased alertness.



How does light affect the body's rhythm?

Artificial office lighting of the wrong color can cause the body's light receptors to misjudge the time of day. This, in turn, causes the body to release hormones, causing one to feel either sluggish or overly alert.


Cortisol and melatonin, for example, are two hormones that are released depending on lighting conditions. Too much cortisol causes the body to go into a “stress” response, keeping people awake. A lack of melatonin can make you feel restless.

The brightness of the light is also important. Too little light can cause physical reactions similar to depression. In this way, lighting can change people's mood.




What is required for useful biological lighting techniques?

In order to achieve the most positive biological effect possible, light color and illuminance should be coordinated with the body's circadian rhythm.

The circadian rhythm is a natural, endogenous process that regulates the sleep-wake cycle.

At midday, high levels of blue light improve concentration, alertness and productivity.

Towards the evening, the light intensity should be reduced and the proportion of red light increased.

The direction of the light also plays an important role. The ganglia, which can influence the body's rhythm, are located primarily in the lower part of the retina. To ensure biological effectiveness, the light with a high blue content should ideally come from above at a 45° angle.



Which office lights should you use to maintain the body's biorhythm?

The HEAVN One desk lamp was awarded the German Design Award 2022 for its technical ability to emulate the right lighting conditions for the respective time of day.

The lamp can produce extremely high light intensity and is at the same time very energy efficient thanks to the use of LED technology.

The HEAVN One office lamp adapts its luminosity and color temperature to the time of day, but can also be completely adapted to your own needs.

For more concentration, the user can choose a stronger, blue light.

To calm down, a warmer light can be used.

By using the right lighting in an office, based on the latest scientific research, workers can have a productive day at work while also getting a good night's sleep.


Find out more about HEAVN One

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