Sleep :: How sleep affects performance

Besides the connection between inadequate sleep and a number of major health problems, there is substantial scientific evidence that sleep deprivation affects cognition and motor performance. A recent study showed that people who were awake for up to 19 hours scored substantially worse on performance tests and alertness scales than those with a blood-alcohol level of .08 – the definition of being legally drunk.

Mental Disorder :: Mental health is not just the absence of mental disorder

* The positive dimension of mental health is stressed in WHO’s definition of health as contained in its constitution: “Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.” WHO’s 191 member states have endorsed this sweeping statement.