FORT BRAGG, N.C.-An Army seargeant accused in a deadly grenade attack on fellow members of the 101st Airborne Division is being sent to Kentucky for a sleep study to address his inability to stay awake during court hearings.A military prosecutor said Monday that Sgt. Hasan Akbar will be scheduled for the study of his sleep problems, which have been an issue in pretrial hearings."He's going to be transferred back to tyhe (Fort) Knox confinement facility," Capt. Rob McGovern said. "So the sleep study will be conducted there."Col. Patrick Parrish the military mjudge overseeing the case, had to awaken Akbar during...