Sleeping too much may be bad for brain-Study Sleeping too much can harm your brain function, according to a study which shows that those who sleep less or more than seven to eight hours a night have worse cognitive performance.
Sleeping too much can harm your brain function, according to a study which shows that those who sleep less or more than seven to eight hours a night have worse cognitive performance. Researchers from Western University in Canada said that for the world's largest sleep study, launched in June last year, over 40,000 people from around the world participated in the online scientific investigation.The study, published in the journal Sleep, included an in-depth questionnaire and a series of cognitive performance activities.