Fatigue may be related to: 1  Use of alcohol or drugs. 2  Excess physical activity. 3  Jet lag.  Lack of physical 1  activity. Lack of sleep.  Medications, such as antihistamines, cough 1  medicines. Unhealthy eating habits.
Difference between a Regulation, Directive and Decision. Regulations have binding legal force throughout every Member State and enter into force on a set date in all the Member States.
Regulation is the act of controlling, or a law, rule or order. 1  An example of a regulation is the control over the sale of tobacco. 2  An example of a regulation is a law that prevents alcohol from being sold in certain places.