Science, Maths & Technology
The secrets of the brain
...energy needed by the body to function. This is because it never turns off, and it spends almost as much energy when we are sleeping as when we are awake. It does different work though: when we are awake, the brain’s tasks include resolving problems, moving the body and remembering facts. When we are asleep, however, it repairs and cleans itself while also making sure it...