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. Author manuscript; available in PMC: 2014 Feb 21.
Published in final edited form as: J Theor Biol. 2012 Dec 5;319:10.1016/j.jtbi.2012.11.029. doi: 10.1016/j.jtbi.2012.11.029

Figure 9.

Figure 9

Simulation of selective REM sleep deprivation and recovery using the homeostatic mechanism. Days 1–3 are baseline, days 4–6 are selective REM sleep deprivation, and days 7–9 are recovery. (A) Total NREM sleep duration per day as a percentage of baseline. (B) Total REM sleep duration per day as a percentage of baseline. (C) Homeostatic drive H as a continuous function of time. (D) Total homeostatic dissipation per day (integrated with respect to time) as a percentage of baseline, used as a marker of NREM sleep intensity.