Tag Archives: Action potential

SLEEPING BUILDS BRAIN CELLS


Sleeping Builds Brain Cells

Why do we need to sleep? Obviously, without it we are tired, irritable, and unable to think and function as effectively as we otherwise could, but why is this? What are the underlying biological processes that drive this need? Scientists have long been grappling with this topic, and recent research has yielded some pretty interesting findings. During sleep, the production ofnervous system cells that generate myelin, a substance that insulates the nerves and permits the rapid transmission of nerve impulses, doubles in mice. This suggests that sleep may serve certain reparative and growth functions in the brain. More… Discuss