MelaGen® Circadian Lighting Technology

Science backed circadian lighting for safety and wellbeing.

MelaGen® is our circadian rhythm lighting solution, developed by Versalux, to help people feel more awake during the day and rest more easily at night. By adjusting blue light exposure automatically across the day, MelaGen® lighting supports healthier sleep cycles, improves moods and encourages calmer environments for both service users and staff.

The science behind MelaGen®

MelaGen® is grounded in extensive research by Monash University and the Cooperative Research Centre for Alertness, Safety and Productivity. Unlike tunable white lighting that only shifts between warm and cool tones, MelaGen® is engineered to optimise the Melanopic/Photopic (M/P) ratio. This ratio measures how light affects both visual and non-visual receptors in the eye. By targeting this balance, MelaGen® supports melatonin regulation, which is essential for stable sleep and daytime focus, providing real biological benefits rather than just tunable visual changes in ambience.

MelaGen® lighting changes automatically over the day. In the morning and through the afternoon, it emits a brighter, blue-enriched light that helps people feel awake and focused. In the evening, it softens to a warmer tone with low blue content, calming the body and encouraging sleep. Crucially, this happens automatically, with no need for staff to adjust settings.

What the research shows

A recent UK study of 85,000 participants assessed the relationship between light exposure and mental health. Results found that bright light at night were more likely to experience mental health issues, while daytime bright light exposure improved mood stability and reduced risk of depression.

This graph is adapted from the final results of the original study, which is available here – https://www.medrxiv.org/content/10.1101/2022.10.16.22280934v1

What the research shows

A 24-month observational study in care homes introduced blue-enriched daytime light and blue-depleted night light. Results showed a 43% reduction in falls, alongside better sleep quality and overall wellbeing for residents. More details on the study can be found here: https://pubmed.ncbi.nlm.nih.gov/35850166/

What the research shows

A recently published study using MelaGen®, found that exposure to blue-enriched light can reduce negative self-perceptions, helping participants process and reject negative thoughts more effectively. The study shows that blue-enriched light can:

  • Help people feel less stuck in negative thought patterns
  • Support calmer moods and better emotional control
  • Potentially reduce incidents and improve daily interactions

In environments, where  service users can spiral into negative thinking, the right kind of lighting can support better mental wellbeing. MelaGen® gives us a tool that works quietly in the background helping reduce emotional escalation and encouraging more stable, positive mental states.

MelaGen® Technology

It’s automated, reliable and built for secure settings. MelaGen® creates environments that feel like places of care and stability.

MelaGen® Blue

MelaGen® Blue

MelaGen® Blue delivers 4200K blue-enriched light with a CRI of 92.4. It provides peak melanopsin activation to suppress melatonin during daytime use.

MelaGen® ReFresh

MelaGen® ReFresh

MelaGen® ReFresh provides a blue-depleted spectrum at 2200K with CRI 92. Optimised for evening and night use, it minimises melanopsin stimulation while maintaining accurate colour rendering.

MelaGen® Regen

MelaGen® Regen

MelaGen® Regen offers a combination of both MelaGen® Blue and MelaGen® ReFresh, allowing for the transition between blue-enriched and blue-depleted light.

Trusted, science-backed lighting technology that improves outcomes

You reduce night-time incidents by encouraging better sleep. You create a calmer atmosphere with more natural, healing light. And you support staff too, especially those working long or irregular hours. Plus, our lighting range meets the highest safety standards with anti-ligature and robustness test ratings.

Benefits:

  • Safer environments with reduced night time incidents by improving sleep
  • Better mental health outcomes, MelaGen® can reduce anxiety and aggression meaning calmer atmospheres
  • Supports rehabilitation, recovery and long-term wellbeing
  • Fully automated and reliable, low-maintenance system
  • Designed for secure environments with tested anti-ligature fittings that meet strict safety standards

MelaGen® products can integrate easily with a choice of existing control systems, for example DALI, Casambi or BLE (Bluetooth Low Energy). This flexibility makes it easy to retrofit existing spaces or integrate into new builds.

Proud to engineer safer environments.
Lighting should support safety, improve wellbeing and work reliably for years to come. That’s why we combine our manufacturing expertise with innovations like MelaGen®, designed to promote healthier sleep cycles and calmer daytime behaviour.
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