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. 2019 Feb 25;20(3):e46807. doi: 10.15252/embr.201846807

Figure 1. Sleep time fraction varies greatly but does not drop below 10%.

Figure 1

Sleep time fraction varies between 3–20 h/24 h with large herbivores sleeping little and bats sleeping a lot 21. Model organisms fall within the range of wild species 38, 85, 103, 124.