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 lacuna yet this can be made difficult if the area of science is commonly not considered a proper area for scientific study. Scientific lacuna Scientific lacuna describes an area of science that has not been studied but has the potential to be studied scientifically. Often, this may be the case because it falls between different areas of sciences, such that it doesn't fall into a single specific discipline of science. However, it also may be the case that the right situation for study has not yet occurred, or the conditions for study have been too ephemeral. Scientific lacunae often have the