The best performance-enhancing drug on earth is sleep. It’s free, legal, and 99% of people use it wrong
consistently waking up at the same time
reduce blue light hours before sleep
We need to sleep for psychological and physiological reasons. The psychological reason people need more sleep is that they have no reason to be alive. People need to sleep because they don’t have a why.
The core physiological reason to sleep is recovery. There are others, but this is the one that matters most in everyday life.
We can designate three key categories of recovery: detoxifying, muscular and neurobiological. Obviously, tdhey are interrelated. However, they correspond to three frequent easily identifiable sources of chronic physiological stress.