The answer is b. neurologist
Oh for sure all of these problems would occur. Insomnia (lack of sleep) has some significant effects toward cognitive functionality of people , as sleep which is usually used by the body and brain to center itself and its thought has been removed from the entire equation.
A physcoactive agent that causes hallucinations, changes in thought, and can make a person unconscious. An example would be LSD.
When you exercise in hot weather.