The relationship between sleep and human awareness

A recent study by British scientists found that sleeping less than 7 hours or more than 9 hours a day could affect people's cognitive processes such as visual memory, reaction time.

Sleep less affects the cognitive process of humans.(Artwork: health.harvard)

Accordingly, a University of London research group (UCL) conducted an analysis of the records of nearly 400,000 people from the long-term research project named UK Biobank and the International Genetic Structure Research Project, to determine whether there is a relationship between sleep with awareness and dementia .

The results showed that the error rate in the visual memory test for those who slept less than 7 hours a day was 5%, while the rate for those who slept more than 9 hours a day was 9%. .

Senior researcher Professor Victoria Garfield of UCL's Institute of Cardiovascular Sciences said healthy adults should seriously take a regular sleep routine, between 7 and 9 hours a day.

Meanwhile, lead researcher, scientist Albert Henry said this study shows the relationship between sleep time and cognitive function, so improving sleep habits can be beneficial to receiving health. human consciousness .

1. Less sleep affects the brain
2. Sleeping less than 9 hours / day, children find it difficult to absorb lessons