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Implications of controlled short-wavelength light exposure for sleep in older adults

Overview of attention for article published in BMC Research Notes, September 2011
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Title
Implications of controlled short-wavelength light exposure for sleep in older adults
Published in
BMC Research Notes, September 2011
DOI 10.1186/1756-0500-4-334
Pubmed ID
Authors

Mariana G Figueiro, Natalia Z Lesniak, Mark S Rea

Abstract

Environmental and physiological conditions make older adults more likely to lose synchronization to their local time and experience sleep disturbances. A regular, 24-hour light/dark cycle promotes synchronization. It is now well established that the circadian system is maximally sensitive to short-wavelength (blue) light. The purpose of the present study was to measure dose effectiveness (amounts and durations) of short-wavelength (blue) light for stimulating the circadian systems of older adults. We investigated the impact of six corneal irradiances (0.7 to 72 μW/cm2) of 470-nm light on nocturnal melatonin production. Nine participants, each over 50 years of age completed a within-subjects study. Each week, participants were exposed to one of the six irradiances of 470-nm light for 90 minutes.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 72 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Australia 2 3%
United States 2 3%
Spain 1 1%
Unknown 67 93%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 14 19%
Researcher 14 19%
Student > Master 14 19%
Professor > Associate Professor 6 8%
Student > Doctoral Student 4 6%
Other 9 13%
Unknown 11 15%
Readers by discipline Count As %
Design 11 15%
Medicine and Dentistry 11 15%
Psychology 9 13%
Engineering 7 10%
Neuroscience 5 7%
Other 16 22%
Unknown 13 18%