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the claim

Wild elephants sleep standing up for most of their sleep time.

the verdict
INSUFFICIENT LEANING
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that wild elephants sleep standing up for most of their sleep time?

Unclear. The retrieved items only partially address the claim: a two-elephant wild study found standing sleep predominated with recumbent sleep only every third or fourth day, and a zoo study and a captive-elephant paper describe wild elephants as typically sleeping standing up. No item provides a broad, systematic measure of standing versus recumbent sleep across wild elephants.

Verdict: PARTIAL LEAN · 5 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 5
Inactivity/sleep in two wild free-roaming African elephant matriarchs - Does large body size make elephants the shortest mammalian sleepers?
2017
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Gravett, N., Bhagwandin, A., Sutcliffe, R., Landen, K., Chase, M. J., & Lyamin, O. I. (2017). Inactivity/sleep in two wild free-roaming African elephant matriarchs - Does large body size make elephants the shortest mammalian sleepers?. doi.org. https://doi.org/10.1371/journal.pone.0171903

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More for · 4
Inactivity/sleep in two wild free-roaming African elephant matriarchs - Does large body size make elephants the shortest mammalian sleepers?
2017
Get citation
Inactivity/sleep in two wild free-roaming African elephant matriarchs - Does large body size make elephants the shortest mammalian sleepers?. (2017). escholarship.org. https://escholarship.org/content/qt50n7v100/qt50n7v100.pdf

Nocturnal behavioral patterns of African ungulates in zoos.
2023
Get citation
J, G., G, S., M, H., & PW, D. (2023). Nocturnal behavioral patterns of African ungulates in zoos.. doi.org. https://doi.org/10.1002/ece3.10777

HOW THE WORLD SLEEPS (Hawera & Normanby Star, 04 April 1914)
1914
Get citation
HOW THE WORLD SLEEPS (Hawera & Normanby Star, 04 April 1914). (1914). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/HNS19140404.2.108

Effects of rubberized flooring on Asian elephant behavior in captivity
2007
Get citation
Effects of rubberized flooring on Asian elephant behavior in captivity. (2007). doi.org. https://doi.org/10.1002/zoo.20119

also asked as
  • Is it true that wild elephants sleep standing up most of the time?
  • Do wild elephants spend most of their sleep time standing up?
  • Are wild elephants really standing up for the majority of their sleep?
  • Can it be proven that wild elephants sleep standing up mostly?
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