INFANT CHILD SEAT BECAME DETACHED FROM BASE AFTER DRIVER FELL ASLEEP AND VEHICLE WENT AIR BORNE, HITTING A DITCH. ALL FIVE PASSENGERS WERE INJURED. INFANT RECEIVED EIGHT STITCHES FOR GASH OVER LEFT EYE. TWO REMAINED IN HOSPITAL, AND OTHER 3 TREATED IN EMERGENCY ROOM AND DISCHARGED. 1991, GMC, JIMMY WITH NO AIR BAGS.*AK