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. Author manuscript; available in PMC: 2011 Jun 26.
Published in final edited form as: Behav Brain Res. 2010 Feb 12;210(1):54–66. doi: 10.1016/j.bbr.2010.02.018

Figure 1.

Figure 1

Examples of sleep-wake architecture for the 6-h period starting immediately after eight different types of treatment in various rats. The treatments were: non-shocked vehicle-injected (C-NS), shocked and vehicle-injected (C-S), shocked and 1 mg/kg dose of eszopiclone-injected (S-Esz-1), shocked and 3 mg/kg dose of eszopiclone-injected (S-Esz-3), shocked and 10 mg/kg dose of eszopiclone-injected (S-Esz-10), shocked and 1 mg/kg dose of zolpidem-injected (S-Zol-1), shocked and 3 mg/kg dose of zolpidem-injected (S-Zol-3), and shocked and 10 mg/kg dose of zolpidem-injected (S-Zol-10). These eight 6-h continuous step histograms plot occurrence and duration of polygraphically and behaviorally defined wakefulness (W), slow-wave sleep (S), and REM sleep (R).