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.
Differences Between Rules and Regulations (with Comparison Chart) - Key Differences. 1  Rules are the set of instruction that tell us the way things are to be done. 2  Regulations are the rules which are authorized by legislation.