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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: J Neurochem. 2011 Jan 19;116(4):577–587. doi: 10.1111/j.1471-4159.2010.07146.x

Figure 4.

Figure 4

Analysis of the total percentage (mean and SEM) of time spent in wakefulness (W; A), slow-wave sleep (SWS; B), rapid eye movement sleep (REM sleep; C) and total sleep (D) in animals used for ERK1/2 activity. Examination of the total time spent in W (A) revealed, compared to the low sleep group, high sleep group spent less time in W (58.85% less) and more time in SWS (172.14% more) and REM sleep (768.58% more). The high sleep group spent more time (222.87% more) in total sleep (D) than the low sleep group. *** p<0.001, ** p<0.01.