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Public Library of Science, PLoS Biology, 8(6), p. e216, 2008

DOI: 10.1371/journal.pbio.0060216

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Is Sleep Essential?

Journal article published in 2008 by Chiara Cirelli ORCID, Giulio Tononi
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

No current hypothesis can explain why animals need to sleep. Yet, sleep is universal, tightly regulated, and cannot be deprived without deleterious consequences. This suggests that searching for a core function of sleep, particularly at the cellular level, is still a worthwhile exercise.