During deep sleep, the brain sweeps out toxins and dead cells while also repairing and restoring the body for the next day. While we dream during REM sleep, the brain is busy processing emotions ...

He was not involved in the study. During deep sleep, the brain sweeps out toxins and dead cells while also repairing and restoring the body for the next day. While we dream during REM sleep ...

Share on Pinterest Scientists have found a link between sleep phases, changes in the brain, and Alzheimer’s risk. pocketlight/Getty Images Earlier studies have identified a relationship between ...

This balance between vigilance and deep sleep helps them stay aware of danger while still getting some much-needed shut-eye. However, a new study of European jackdaws shows that this strategy has ...

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Earlier studies have identified a relationship between sleep and Alzheimer’s disease. A new study looks in detail at sleep phases, brain changes, and Alzheimer’s disease. According to the ...

He was not involved in the study.What happens in the brain during deep sleepDuring deep sleep, the brain sweeps out toxins and dead cells while also repairing and restoring the body for the next day.