http://www.switched.com/2007/09/11/alarm-wakes-according-to-bodys-sleep-clock/ Switched Comments for Alarm Wakes According to Body's Sleep Clock http://www.switched.com/media/feedlogo.gif http://www.switched.com en-us Copyright 2012 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://www.switched.com/2007/09/11/alarm-wakes-according-to-bodys-sleep-clock/http://www.switched.com/2007/09/11/alarm-wakes-according-to-bodys-sleep-clock/Feb 7th 2008 9:23AM