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. A rule of order having the force of law, prescribed by a superior or competent authority, relating to the actions of those under the authority's control. Regulations are issued by various federal government departments and agencies to carry out the intent of legislation enacted by Congress.