Chapter

Northern exposure

Timo Partonen and Andres Magnusson

in Seasonal Affective Disorder

Second edition

Published on behalf of Oxford University Press

Published in print October 2009 | ISBN: 9780199544288
Published online February 2013 | e-ISBN: 9780191754593 | DOI: http://dx.doi.org/10.1093/med/9780199544288.003.0016
Northern exposure

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People living close to the Arctic Circle face environmental extremes, not only in terms of seasonal oscillations in daylight hours and the rapidity with which seasons switch, but also low temperatures, especially during winter nights. These extremes influence sleep and sleep-related disorders, but also allow a unique “northern” perspective on sleep, mood, and wellbeing. Current research and recent scientific breakthroughs have been deepening our understanding of the interplay between the individual's timepieces and time-givers in the habitat. Moreover, they now give a rationale for light therapy to be used in the management of those sleep and mood disorders that show abnormalities of the circadian pacemaker.

Chapter.  4404 words.  Illustrated.

Subjects: Psychiatry

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