Somnology also highly suggested to not take any hypnotics, drink alcohol, or smoke before or during the test. After allowing the patient to lie down on the bed, the time between lying down and falling asleep is measured and used to determine one’s daytime sleepiness. Though somnology does not necessarily mean sleep medicine, somnologists can use behavioral, mechanical, or pharmacological means to correct a sleep disorder. Behavioral treatments tend to be the most prescribed and the most cost-efficient of all treatments; these treatments include exercise, cognitive behavioral therapy, relaxation therapy, meditation, and improving sleep hygiene. Improving sleep hygiene includes making the
Models of scientific inquiry one thing to know "that" each planet periodically reverses the direction of its motion with respect to the background of fixed stars; it is quite a different matter to know "why". Knowledge of the former type is descriptive; knowledge of the latter type is explanatory. It is explanatory knowledge that provides scientific understanding of the world. (Salmon, 2006, pg. 3) "Scientific inquiry refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work." The classical model of scientific inquiry derives from Aristotle, who distinguished the forms of approximate