Video showing the behavioral correlates of slow wave sleep (SWS) and rapid eye movement (REM) sleep in the ostrich (<i>Struthio camelus</i>). SWS is characterized by open eyes and a vertically-held head; REM sleep is characterized by bilateral eye closure and a drooping head.
Lesku J, Meyer L, Fuller A, Maloney S, Dell'Omo G, Vyssotski A, Rattenborg N
CC BY 2.5
Movie S1 from <cite style="font-style:normal">Lesku J, Meyer L, Fuller A, Maloney S, Dell'Omo G, Vyssotski A, Rattenborg N (2011). "<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3160860">Ostriches Sleep like Platypuses</a>". <i>PLOS ONE</i>. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pone.0023203">10.1371/journal.pone.0023203</a>. <a href="https://en.wikipedia.org/wiki/PMID" class="extiw" title="w:PMID">PMID</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/21887239">21887239</a>. <a href="https://en.wikipedia.org/wiki/PubMed_Central" class="extiw" title="w:PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3160860">3160860</a>.</cite>