Somnology 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 identified in 1965. In 1970, the first clinical sleep laboratory was developed at Stanford. The first actigraphy device was made in 1978 by Krupke, and continuous positive airway pressure therapy and uvulopalatopharyngoplasty
Scientific Atlanta aggressive research and development and a strong marketing effort. In its annual report, as reprinted in David C. Rickert's Harvard Business School case study of Scientific-Atlanta, the company stated: "Scientific-Atlanta operates under a disciplined business plan that concentrates on design, manufacture, and sale of standard technical products for the communications and instrumentation markets." More specifically, Topol recounted in Dun's Review, as restated by Rickert, "I asked what products we needed for growing markets, not what markets we should go after because we had a product." The answer to that question was telecommunications products, primarily the satellite earth station, a large