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Sleep Quality in Elderly may be Improved by Goggle-like Device
Sleep disturbances increases with age. Researchers have long believed that the sleep disturbances common among the elderly often result from a disruption of the body's circadian rhythms - biological cycles that repeat approximately every 24 hours.
It has been shown that blue light is the most effective at stimulating the circadian system when combined with the appropriate light intensity, spatial distribution, timing, and duration.
"Light and dark patterns are the major synchronizer of circadian rhythms to the 24-hour solar day," said Dr Mariana Figueiro, Lighting Research Center Light and Health Program director and principal investigator on the project.
"Light stimulus travels through the retina, the light-sensitive nerve tissue lining the back wall of the eye, to reach the master clock in the brain," the expert said.
"However, a combination of age-related changes in the eye and a more sedentary lifestyle may reduce the amount of light stimulus reaching an older person's retina, therefore reducing the amount of light for the circadian system," she added.
The light-treatment prototype was developed by Topbulb.com, LLC, based on prior LRC light and health research.
It offers an alternative approach using specially designed goggles that deliver blue light spectrally tuned for optimum circadian response.
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More News on: Sleep Problems in Children, Sleep Disorder : Restless Legs Syndrome, Sleep Disorder: Sleepwalking, Periodic Limb Movement Disorder, Circadian Rhythm and Sleep Disorders, REM Behavior Disorder, Sleep Disturbances In Women, Sleep, Insomnia, Obstructive Sleep Apnea
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