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.
The Difference Between Laws and Regulations. The difference between laws (statutes) and regulations is sometimes misunderstood. Congress, and only Congress, enacts laws. The Motorboat Act of 1940, the Federal Boating Act of 1958 and the Federal Boat Safety Act of 1971 are all examples of laws which were enacted by Congress.