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. 2012 Dec 5;7(12):e50677. doi: 10.1371/journal.pone.0050677

Figure 6. Time course of Run/no-Run bouts and sleep episodes.

Figure 6

Time course of the duration of Run and no-Run bouts during waking, and of NREM and REM sleep episodes starting from the first consolidated period of sleep during the dark period until the end of the light phase (all data are means of Days 1 and 3). Since the duration of waking and the timing of sleep onset differed between individuals, the entire time period (waking: Day 1 - 355–677 minutes, Day 3∶404–741 minutes; sleep: the remaining time until the end of 24 h) was subdivided into 5 time intervals, each comprising 1/5th of all waking bouts or sleep episodes. Mean values+SEM (n = 8); one-way ANOVA, factor ‘time’.