effects of procognitive light on the human body:

Improved concentration, vitality, mood, sleep, eyesight and overall health

For reasons related to evolution, the sound functioning of the human body depends on natural light. Yet, for the past hundred years people have been spending most of their active lives indoors, exposed to artificial lighting. The quality of the artificial light is therefore crucial for human health. Procognitive lighting does not replace the Sun completely, although it comes very close, and has been proven to help people in several areas.

How does it work biologically?

Light and circadian rhythms

Přirozené sluneční světlo

Natural sunlight and its variations during the day synchronise the circadian rhythm through the eye’s non-image-forming (NIF) visual system. It directs the entire human body system to be active during the day and to regenerate at night. It was only on 2003 that the circadian system was comprehensively described by J.C. Hall, M. Rosbash and M.W. Young, who were subsequently awarded the Nobel Prize in 2017.

Photosensitive ganglion cells in the eye receive information from light and send signals to the suprachiasmatic nucleus (SCN) in the hypothalamus. The SCN is the master ‘timer’ or central clock that synchronises the body’s circadian rhythms with the external environment.

Speciální gangliové buňky
Přirozené sluneční světlo
Ganglion cells respond properly to natural light. The more artificial light differs from natural sunlight, the more poorly the ganglion cells respond and the circadian rhythm synchronisation is disturbed.

The Spectrasol lighting technology contains a balanced representation of all wavelengths in the 450-670 nm range, including full emission in the circadian or melanopic region (the cyan wavelength region in the 460-500 nm range) and thus matches the sunlight spectrum in the extent of 97%.

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