Finally, newborns vary greatly in the total amount of time they spend sleeping. In the first few days, the average newborn sleeps between 16-18 hours a day (Iglowstein et al 2002). By four weeks, newborn sleep averages about 14 hours. But the range is considerable. Some four-week-old babies sleep as little as 9 out of 24 hours. Others sleep for 19 hours a day (Iglowstein et al 2002).
Among the 58 killed in a mass shooting in Las Vegas Sunday night was a special education teacher, a kindergarten teacher and a nurse from Tennessee who saved his wife's life.
The Las Vegas strip was put on lockdown as cops raced to the scene. The shooting took place at around 22:30 (05:30 GMT) on October 1. Police have confirmed the shooter was a lone wolf and was found dead by armed cops who stormed the hotel room and it is All flights in and out of Las Vegas were cancelled following the horror shooting - but have now resumed normal service.