cellular regeneration

https://www.youtube.com/watch?v=DigWRw0DyG4&index=7&list=PL1MWBCuAcixJ7pw0T57JTv75zC7gEqDuY&t=0s
Anti-aging
deep sleep
growth hormone
cellular regeneration
more energy
improving immune system
improves memory
slow down aging process
cognitive ability
sexual funtion