Sleep ramps up the production of cells that go on to make an insulating material known as myelin which protects our brain's circuitry.
Have you META-MODERATED today? Sign up for the Slashdot Daily Newsletter! DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25.×
wrackspurt writes: Sleep deprivation has long been thought to be prevalent in the industrialized world. Now the BBC has another article out on why at least seven hours of sleep a night is necessary.