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Durham Research Online
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Parasite resistance and the adaptive significance of sleep.

Preston , Brian T. and Capellini, I. and McNamara, P. and Barton, R. A. and Nunn , Charles L. (2009) 'Parasite resistance and the adaptive significance of sleep.', BMC evolutionary biology., 9 (7).

Abstract

Sleep is a biological enigma. Despite occupying much of an animal's life, and having been scrutinized by numerous experimental studies, there is still no consensus on its function. Similarly, no hypothesis has yet explained why species have evolved such marked variation in their sleep requirements (from 3 to 20 hours a day in mammals). One intriguing but untested idea is that sleep has evolved by playing an important role in protecting animals from parasitic infection. This theory stems, in part, from clinical observations of intimate physiological links between sleep and the immune system. Here, we test this hypothesis by conducting comparative analyses of mammalian sleep, immune system parameters, and parasitism.

Item Type:Article
Full text:PDF - Published Version (397Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1186/1471-2148-9-7
Record Created:02 Feb 2009
Last Modified:31 May 2012 15:12

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