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.
Quick Answer. A policy is a principle that guides decision making, while a law is a rule enforced by an institution. Although laws and policies serve different purposes, ETU explains that both are used to maintain order in society. Laws and policies are used to shape many of the social and political aspects of society.