title: Sleep as restorative process: human clues.
mesh_terms: D006728:Hormones / Q000378:metabolism; D006801:Humans; D008660:Metabolism; D008938:Mitosis; D012146:Rest; D012890:Sleep / Q000502:physiology*; D012895:Sleep, REM / Q000502:physiology
chemical_list: D006728:Hormones