I WORK DURING THE NIGHTS ON THE 8PM-4:30AM SHIFT. I WAS CHANGED TEMPORARILY TO THE 3:30AM - 12PM SHIFT TO COVER A COWORKER'S VACATIONS. I WORKED ON SATURDAY FROM 8PM-4:30AM AND THEN ON MONDAY FROM 3:30AM-12PM. AS A RESULT, ON MY SECOND DAY ON THIS NEW SHIFT, I DIDN'T REST WELL. ON TUESDAY, MARCH 11, 2014, I GOT OUT OF MY SHIFT AT 12PM. BY 12:30PM, IT WAS A SUNNY DAY BUT I FELL ASLEEP WHILE DRIVING. THE ROAD HAD A SLIGHT SLOPE. I CRASHED AT ABOUT 40-50 MPH IN MY FORD RANGER 2010 AGAINST A SEDAN THAT WAS WAITING FOR THE RED LIGHT. I WAS NOT CONSCIOUS TO HIT THE BRAKES SO ONLY STOPPED ON IMPACT. THE OTHER CAR INVOLVED SUSTAINED HUGE DAMAGES AND HIS TRUNK WAS BASICALLY PUSHED TO HIS BACK ROW SEATS. MY VEHICLE SUFFERED DAMAGES THAT LEFT THE FRONT OF MY VEHICLE IN PIECES. I WAS NOT HURT AND NEITHER WAS THE OTHER PERSON BUT BY THE DAMAGES OF EACH CAR I THINK MY AIRBAGS SHOULD HAVE WORKED AND THEY DIDN'T. I THINK IT'S A SAFETY CONCERN THAT AT THAT SPEED AND GIVEN THE DAMAGES INCURRED BY EACH CAR, THAT THE AIRBAGS DIDN'T WORK. *TR