title: The nature of sleep, dreams, and aging: a theory involving conformational changes of biopolymers.
mesh_terms: D000375:Aging; D004325:Dreams; D006801:Humans; D046911:Macromolecular Substances; D008954:Models, Biological; D008968:Molecular Conformation; D011487:Protein Conformation; D011506:Proteins / Q000378:metabolism; D012890:Sleep; D014851:Wakefulness
chemical_list: D046911:Macromolecular Substances; D011506:Proteins