For many people suffering from dementia, symptoms like poor sleep and agitation can also have a profound impact on quality of life. Bright daytime lighting can help, researchers say. (hereandnow)
Guerman Ermolenko has seen plenty of restless dementia patients. They wander the hallways of care facilities at night and wake other residents, only to sleep in late and become agitated the following evening at sundown.
Memory loss from Alzheimer’s can evoke fear. But for many people suffering from dementia, other symptoms like poor sleep and agitation can also have a profound impact on quality of life. And Alzheimer’s patients often live in long-term care facilities, where they spend much of their time in underlit indoor spaces, says researcher Mariana Figueiro, leaving them in a state of “biological darkness.
Figueiro and the Lighting Research Center have investigated this idea for years. They want to gather proof for their overarching thesis that tailored lighting can guide the body’s biological clock — or its circadian rhythm — in ways that make people happier and healthier, reduce symptoms of certain diseases and promote recovery.
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