The impact of bright artificial white and ‘blue-enriched’ light on sleep and circadian phase during the polar winter

• Published in: Journal of Sleep Research
• Main Authors: Mottram, Victoria, Middleton, Benita, Williams, Peter, Arendt, Josephine
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Wiley-Blackwell 2011
• Subjects: Health; Antarctic; Midwinter; The Antarctic; Antarc*
• Online Access: http://nora.nerc.ac.uk/id/eprint/14042/; http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2869.2010.00875.x/full

Delayed sleep phase (and sometimes free-run) is common in the Antarctic winter (no natural sunlight) and optimizing the artificial light conditions is desirable. This project evaluated sleep when using 17 000 K blue-enriched lamps compared with standard white lamps (5000 K) for personal and communal...