Somnology they may work well in treating insomnia, have a risk of abuse which is why these treatments are not the first resort. Some sleep disorders such as narcolepsy do require pharmacological treatment. Somnology Somnology is the scientific study of sleep. It includes clinical study and treatment of sleep disorders and irregularities. Sleep medicine is a subset of somnology. After the invention of the EEG, the stages of sleep were determined in 1936 by Harvey and Loomis, the first descriptions of delta and theta waves were made by Walter and Dovey, and REM sleep was discovered in 1953. Sleep apnea was
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