http://articles.mercola.com/sites/articles/archive/2008/01/02/sleep-in-darkness.aspxThe normal daily rhythm of intense sunlight alternating with nights of near total darkness has dominated the planet for many thousands of years. We have altered this cycle recently with artificial light which can bombard city dwellers around-the-clockenCommunityServer 2008.5 SP1 (Build: 31106.3070)http://articles.mercola.com/sites/articles/archive/2008/01/02/sleep-in-darkness.aspx#43086Tue, 08 Apr 2008 14:39:17 GMT24451277-a5aa-4add-96dc-64081bfd86fa:43086artworks<p>Only if you don't wake up!</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=43086" width="1" height="1">http://articles.mercola.com/sites/articles/archive/2008/01/02/sleep-in-darkness.aspx#43085Thu, 13 Mar 2008 12:38:11 GMT24451277-a5aa-4add-96dc-64081bfd86fa:43085Steve22<p>So it is ok to sleep outside, with the stars and the moon shining brightly?</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=43085" width="1" height="1">