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the claim

Yawning makes a person more tired.

the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 3 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 Yawning makes a person more tired?

Unclear. Three sources touch on yawning: a clinic page says tiredness is the most common trigger of yawning (the reverse direction), and two early-1900s newspaper pieces describe yawning as lung ventilation and a healthful exercise rather than a cause of tiredness. None directly tests whether yawning makes a person more tired.

Verdict: PARTIAL LEAN · 0 sources for, 3 against · Last checked

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

Evidence against · 3
Yawning Definition & Causes
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Yawning Definition & Causes. (n.d.). my.clevelandclinic.org. https://my.clevelandclinic.org/health/body/yawning

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More against · 2
YAWNING VENTILATES YOUR LUNGS. (Rodney and Otamatea Times, Waitemata and Kaipara Gazette, 29 October 1913)
1913
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YAWNING VENTILATES YOUR LUNGS. (Rodney and Otamatea Times, Waitemata and Kaipara Gazette, 29 October 1913). (1913). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/ROTWKG19131029.2.56

USES OF YAWNING. (Bruce Herald, 24 April 1900)
1900
Get citation
USES OF YAWNING. (Bruce Herald, 24 April 1900). (1900). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/BH19000424.2.18

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