Provine, Robert R. Curious Behavior: Yawning, Laughing, Hiccupping, and Beyond (Harvard University Press; 2012) 246 pages; examines the evolutionary context for humans
参考资料
^Joly-Mascheroni, Ramiro M; Senju, Atsushi; Shepherd, Alex J. Dogs catch human yawns. Biology Letters. 2008-10-23, 4 (5). ISSN 1744-9561. PMC 2610100. PMID 18682357. doi:10.1098/rsbl.2008.0333(英语). 引文格式1维护:PMC格式 (link)
^Pet dogs can 'catch' human yawns. 2008-08-05 [2022-11-15](英国英语).
^Madsen, Elainie Alenkær; Persson, Tomas; Sayehli, Susan; Lenninger, Sara; Sonesson, Göran. Deschner, Tobias , 编. Chimpanzees Show a Developmental Increase in Susceptibility to Contagious Yawning: A Test of the Effect of Ontogeny and Emotional Closeness on Yawn Contagion. PLoS ONE. 2013-10-16, 8 (10). Bibcode:2013PLoSO...876266M. ISSN 1932-6203. PMC 3797813. PMID 24146848. doi:10.1371/journal.pone.0076266(英语). 引文格式1维护:PMC格式 (link)
^Twitter. Chimps find human yawn contagious, but is it monkey see, monkey do?. Los Angeles Times. 2013-10-16 [2022-11-15](美国英语).
^Helt, Molly S.; Eigsti, Inge-Marie; Snyder, Peter J.; Fein, Deborah A. Contagious yawning in autistic and typical development. Child Development. 2010-09, 81 (5). ISSN 1467-8624. PMID 20840244. doi:10.1111/j.1467-8624.2010.01495.x.
Why Do We Yawn? The unexpected truth behind the science of yawning(页面存档备份,存于互联网档案馆), LiveLeak(英语:LiveLeak) (originally aired on Good Morning America), 30 July 2007