News of the preliminary results of a new study indicate that the photo network, in nursing homes, the right lighting can improve senile dementia (Alzheimer's disease) in patients with sleep, mood and behavior. People with Alzheimer's disease and related dementia often experience sleep problems, delirium and irritability during the day. The study aimed to test whether tailored daytime lighting devices could improve sleep and behavior in Alzheimer's patients in long-term care settings. Tailor-made lighting significantly reduces sleep disorders, depression, and anxiety compared to normal, as well as non-dynamic lighting conditions. Although all symptoms improved, the improvement in sleep quality was most pronounced. Dr. Mariana Figueiro, a professor at the Lighting Research Center at Rensselaer Polytechnic Institute in New York, who said that, "we found that if the irritant [light dose] is carefully transmitted and measured, it can have a strong impact on sleep, depression and trouble." "Depression is a secondary symptom. Light therapy has a positive effect on depression. I am very surprised." The study looked at 43 subjects diagnosed with Alzheimer's disease and related dementia. These subjects were exposed to dynamic and non-dynamic custom lighting for four consecutive weeks, with an interval of four weeks. In the last week, measurements of sleep disturbances (Pittsburgh Sleep Quality Index), mood (Cornell Dementia Depression Scale), and Agitation (Cohen-Mansfield Augmentation Index) were collected. The illumination is a dimmable, medium "circadian rhythm stimulus" that achieves dynamic color temperature, output, and distribution to achieve 0.3. Add lighting to the space you are waiting for most of the time after the patient wakes up. A calibrated personal illuminometer is used to monitor the time and other parameters of exposure to light. Editor: Yan Zhixiang
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"Day and Night Rhythm Stimulation" in the study is CS 0.3 