Studies about sleep have been going on for many years, but we are still a long ways off from knowing everything there is to know about sleep and how it affects the human body. The Ancient Greeks, one of the first to study sleep, believed that it was a gift to be granted, or refused by the god Morpheus. Like the Ancient Greeks much of our previous studies were mere speculation, with observation being the only tool available for the study of sleep. That is until the development of the electroencephalograph, or EEG.
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