File:Alertness circadian.jpg: Difference between revisions

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uploaded a new version of "File:Alertness circadian.jpg": Alertness (C) from Good Sleep, Good Learning, Good Life
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Revision as of 09:59, 3 April 2016

Tools : Sleep Chart : Alertness (C) showing the powerfully biphasic nature of the human circadian cycle.

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current09:59, 3 April 2016Thumbnail for version as of 09:59, 3 April 20161,592 × 988 (181 KB)SuperMemoHelp (talk | contribs)
04:38, 12 October 2013Thumbnail for version as of 04:38, 12 October 20131,017 × 710 (112 KB)SuperMemoHelp (talk | contribs)Alertness (C) from Good Sleep, Good Learning, Good Life
09:19, 4 July 2011Thumbnail for version as of 09:19, 4 July 20111,059 × 799 (132 KB)SuperMemoHelp (talk | contribs)Tools : Sleep Chart : Alertness (C) showing the powerfully biphasic nature of the human circadian cycle.

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