Deep sleep is anabolic sleep and when achieved amazing things start to happen. Our cells start their clean up and repair operation. You can get all the nutrition you like ; from the food that you eat, to the way that you move, and from all of natures elements, but it is actually sleep that enables these nutrients to go to work.
It’s not the number of hours you sleep, but how deep you can go!
How do I become a successful sleeper?