Sleeping origin?[D[D

Hernan Lopez Schier hernan at GBL.FCEN.UBA.AR
Tue Jul 25 11:39:06 EST 1995


Hi everyone,

	I'm writing you because I'm interested on the phylogenetic origin
of sleeping. 
	I would like to contact people who know or who wish to discuss about
the origin of this manifestation and its consecuences.

	Do someone know which animal was the first in develop something like
sleep in the 'life history'?

Thank you very much and excuse my bad English writing.



Hernan Lopez Schier
Facultad de Ciencias Exactas y Naturales
Universidad de Buenos Aires.
Argentina
hernan at cinf.bl.fcen.uba.ar



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