title: [The periodicity of rem-sleep: experimental and theoretical considerations (author's transl)].
mesh_terms: D000818:Animals; D001683:Biological Clocks; D005075:Biological Evolution; D001835:Body Weight; D002417:Cattle / Q000502:physiology*; D004569:Electroencephalography; D004576:Electromyography; D004585:Electrooculography; D006041:Goats / Q000502:physiology*; D006736:Horses / Q000502:physiology*; D010507:Periodicity; D012895:Sleep, REM; D013997:Time Factors
vernacular_title: Sur la périodicité du sommeil paradoxal: faits et hypothèses