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.
Rules refer to an established and authoritative standard of principle; a general norm mandating or guiding conduct or action in a given type of situation. On the other hand, Regulations refer to sets of rules that have legal connotations. This is the main difference between the two words.