A review of the latest research and findings

Research has shown that exposure to light, particularly blue light, can alter the body’s circadian clock (i.e. the natural, internal system that is designed to regulate feelings of sleepiness and wakefulness over a 24-hour period). The lighting industry has started to market circadian lighting, which uses tunable (most commonly LED) white light sources that can adjust their light spectrum and intensity to help maintain correct timing of the circadian clock of the occupants in a space. Brighter and/or cooler lighting is used to improve alertness during the day or during working hours, then it is changed to lower brightness and/or warmer colour when it is time to relax. However, research investigating the effects of circadian lighting systems on health and well-being under real-world conditions is still scarce.
This webinar gives a review of the existing research and literature on circadian lighting and how this affects human health and well-being. It incorporates preliminary findings from the project ‘Circadian lighting effects on health and well-being’, jointly funded by the BRE Trust and CIBSE. Suitable for all types of lighting professionals, including designers, manufacturers, academics and researchers, the webinar aims to outline the latest research outcomes and current thinking on key issues related to the use of circadian lighting.

  • Latest research findings on circadian lighting
  • This webinar will provide one hour of CPD
  • Aimed at all types of lighting professionals


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Course Author(s)

Dr Cosmin Ticleanu

Principal Consultant, Lighting

Dr Cosmin Ticleanu WELL AP MSLL leads BRE’s electric lighting work. He has over 15 years of research and design experience in lighting. He has authored or co-written more than 50 published papers and books on various aspects of lighting.

Cosmin Ticleanu

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