A recent study by the Lighting Research Center at Rensselaer Polytechnic Institute found that a daytime lighting installation in a long-term memory care facility improved the health and well-being of patients.Individuals with Alzheimer’s disease and related dementias often have trouble sleeping and experience daytime irritability. The study assessed whether customized daytime lighting could improve the sleep and mood of Alzheimer’s patients living in long-term care facilities.The study included 43 subjects diagnosed with Alzheimer’s disease and related dementias. The subjects were exposed to customized lighting for 4 weeks, followed by an additional 4-week “washout” period.The lighting used for the study utilized…
CIRCADIAN Light has just been approved by the American Institute of Architects to offer AIA Continuing Education courses for Health, Safety, and Welfare credits. Our first course offering is called "Circadian Lighting for Workplaces: Protecting Health and Improving Productivity." The course will educate architects and lighting designers that are specifying circadian lighting and want to gain an understanding of the key differences between the day, evening and nighttime impacts of the blue content of white light on circadian rhythms, human health and productivity. Visit http://circadianlight.com/circadian-light-workplaces for more information, or to register.
Artificial illumination can stop us sleeping and make us ill. We need fresh strategies and technologies, argues Karolina M. Zielinska-Dabkowska.
A new study has found that night shift work is associated with diminished ability to repair DNA. The connection between suppressed melatonin levels and DNA repair is just another example of the harmful effects of blue light at night.