Warning! Layman's question! =)

student gsi0315 at gsaix2.cc.GaSoU.EDU
Sat Jan 7 18:25:47 EST 1995

   People have internal clocks that are in part regulated by light and
dark patterns.  That is why the use of artificial light in modern society
has increased the frequency of insomnia.  Therefore if external conditions
must be regulated, the period of light and dark changes must be regulated.

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