http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/1051.htm 2006-10-04 Children in deep sleep awoke to recordings of their mothers' voices calling them by name and ordering them out of their bedrooms even if they slept through the beeping sound a smoke alarm makes, according to a small study.