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"Slow-wave sleep, or 'deep sleep', is intimately involved in the complex control of the onset of puberty, according to a recent study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology and Metabolism (JCEM)."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-09-puberty-brain-deep.html>