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 points, given below explain the difference between rules and regulations in a detailed way: 1  In general, the rules are the set of instructions issued for the public are known as rules. 2  Rules are not very strict in nature, but regulations are very strict in nature.