Sleep intensity and the evolution of human cognition
Authors: Samson D.R. and Nunn C.L.
Full citation: Samson, D.R. and C.L. Nunn (2015). Sleep intensity and the evolution of human cognition. Evolutionary Anthropology, 24(6): 225-237.
Authors: Samson D.R. and Shumaker R.W.
Full citation: Samson, D.R. and R.W. Shumaker (2015). Pre-sleep and sleeping platform construction behavior in captive orangutans (Pongo spp.): Implications for ape health and welfare. Folia Primatologica, 86(3): 187–202.
Orangutans (Pongo spp.) have deeper, more efficient sleep than baboons (Papio papio) in captivity
Authors: Samson D.R. and Shumaker R.W.
Full citation: Samson, D.R. and R.W. Shumaker (2015). Orangutans (Pongo spp.) have deeper, more efficient sleep than baboons (Papio papio) in captivity. American Journal of Physical Anthropology, 157(3): 412–427.