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 main use of a directive is to standardize different national rules and laws. An EU directive issued to all the Member States will ensure that all the Member States have the same guidelines while dealing with each other, especially relating to a single market, such as product safety standards.