The Guidelines on fatigue contain practical information that can assist interested parties (naval architects/ship designers, owners/operators, masters, officers, other crew members and training institutions) to better understand and manage fatigue. The guidelines provide information on the potential dangers of fatigue and ultimately the effect on the health and safety of the personnel working on ships. The guidelines contain information on the symptoms and causes of fatigue and address solutions to combat fatigue in order to reduce associated health problems and prevent fatigue-related accidents from occurring.