Why do we sleep?

[Eric Mintz]

In article <2o24ff$lik at merengue.worldcom.com> Brandi_Shannon.Genencor_International at notes.worldcom.com writes:
>I am told that I too radiate a great deal of heat while sleeping.  My
>husband tells me I'm his own little warming device.  
>
>I don't have any explanation for this phenomena.  

Since almost all of us cool down while we are sleeping (relative to waking),
it is normal for a person to radiate heat during the first part of the night.

Eric