So basically using cheats I added the Grim Reaper to my house. Then, in CAS I combined his genetics with a vampires to make a child. This child would not eat, though she tried many times, nor would she sleep. She would constantly calling for others to put her down I have to make sure everyone is asleep before making her go to bed, once someone woke up so she got up took five steps and passed out. Eventually it got to the point she was taken away for "neglect". I'll try again but don't expect different results.