It is every student's nightmare. The day before a big exam, is it better to line up Red Bulls and continue studying until the wee hours of the morning? Or is it better to benefit from a good night's sleep? Anyone who, after a sleepless night, has actually experienced that feeling of interstellar emptiness in the face of adversity knows something: lack of sleep can dramatically reduce information retention.
study Conducted by the University of Michigan and published June 12 in the journal nature Explains the reasons. The study, conducted on rodents, showed that an important brain signal associated with long-term memory is weakened in mice when they are deprived of sleep. The bad news: Even a restful night's sleep after a restless night doesn't seem to be enough to restore this signal.
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