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. 2013 Oct 30;111(2):287–299. doi: 10.1152/jn.00504.2013

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Fig. 4. — Summary of the effects of SD and RS on the discharge of VLPO sleep-active neurons (n = 13) and DLPO sleep-active neurons (n = 9). A: mean waking DR, expressed as %change from baseline waking values, across 30-min quartiles of the 2-h SD period. There was a significant overall effect of duration of SD on waking DR for VLPO sleep-active neurons [F_(12,3) = 13.3, P < 0.001]. There was no significant effect of duration of SD on waking DR for DLPO neurons [F_(8,3) = 0.6, nonsignificant (ns)]. B: there was a significant and comparable effect of duration of SD on the number of sleep attempts for experiments involving both VLPO neurons [F_(12,3) = 150.3, P < 0.001] and DLPO neurons [F_(8,3) = 130.9, P < 0.001]. For A and B, **significantly different from all other values, P < 0.01; *significantly different from values at 1–30 min, Holm-Sidak test. C: mean DR during recovery NREM sleep, expressed as %change from baseline NREM sleep values, for VLPO and DLPO sleep-active neurons. There was a significant overall effect of duration of RS on NREM sleep DR for VLPO sleep-active neurons [F_(12,3) = 4.6, P < 0.05], but not for DLPO sleep-active neurons [F_(8,3) = 0.6, ns]. D: there was a significant effect of duration of RS on EEG SWA in NREM sleep, expressed as a percentage of baseline NREM sleep values, for experiments involving both VLPO neurons [F_(10,3) = 12.7, P < 0.001] and DLPO neurons [F_(8,3) = 7.4, P < 0.01]. For C and D, #significantly different from values at 61–90 min and 91–120 min; *significantly different from values at 91–120 min, Holm-Sidak test.