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. 2015 Jul 30;9:258. doi: 10.3389/fnins.2015.00258

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Copyright © 2015 Wellman, Yang and Sanford.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Total sleep and amounts of NREM sleep plotted as 20 h totals for baseline (Base), handling control (HC) and for days on which the mice received ICV injections of saline (SAL), corticotropin releasing factor (CRF) or astressin (AST) prior to signaled, escapable shock (SES) or to signaled, inescapable shock (SIS) training. (A) Total sleep; (B) Total NREM sleep; (C) NREM episodes; (D) average NREM episode duration. Comparisons of SES (n = 9) and SIS (n = 9): ^*p < 0.05. Values are means ± SEM.