Neuroscientist jan born performed experiments in which he tested individuals aptitudes before and after sleeping. how did he explain his observed results?

Researchers are most likely to use an electroencephalograph to measure their brain wave activity throughout the night. Formulating a hypothesis.  Find out what goes on in people's brains during a typical night's sleep, Proposes that there is a relationship between the amount of sleep deprivation and the ability to solve complex mental tasks; the more sleep deprived people are, the more mistakes they are likely to make. 

Jan Born is a neuroscientist who studies how sleep affects memory, problem solving, and brain plasticity. He is the Director of the University of Tübingen's Institute of Medical Psychologist and the Department of Behavioral Neurobiology.

Observation of Neuroscientist Jan born:

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i dont know but thats a great qusestion

answer; (d) none of the above;