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
International Society for the Study of Individual Differences International Society for the Study of Individual Differences The International Society for the Study of Individual Differences (ISSID) is a scientific society founded in 1983 that fosters research on the measurement, structure, dynamics and biological bases of individual differences in temperament, intelligence, attitudes, and abilities. Its first president (and one of its founders) was Hans Eysenck. The society investigates the major dimensions of individual differences in the context of experimental, physiological, pharmacological, clinical, medical, genetical, statistical, and social psychology. ISSID holds "Personality and Individual Differences" ("PAID") as its official scientific journal and hosts a conference on individual differences every other