Which of the following chemicals has been found to play a crucial role in our need for sleep?

American psychiatrist Thomas Szasz has taken the somewhat radical position that

a. even people who commit serious crimes should not be imprisoned if they are suffering from a mental disorder. b. that everyone who commits a crime is mentally ill to some degree. c. even people who are seriously mentally ill should still be held responsible for their behavior. d. that all criminals should be allowed access to psychiatric treatment.

Women are more likely than men to show emotional disturbances in ________ and ________

a. emotional arousal; anger b. panic disorder; depression c. fear; loathing d. self-discipline; happiness e. alcohol addiction; intense shyness