Morning Person? You Might Have Neanderthal Genes to Thank. Hundreds of genetic variants carried by Neanderthals and Denisovans are shared by people who like to get up early. Author: CARL ZIMMER Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)