title: Refining sleep homeostasis in the two-process model.
authors.forename: Alexander A
authors.initials: AA
authors.lastname: Borbély
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000502:physiology; D002940:Circadian Rhythm / Q000502:physiology*; D004569:Electroencephalography / Q000706:statistics & numerical data; D006706:Homeostasis / Q000502:physiology*; D006801:Humans; D008962:Models, Theoretical; D012815:Signal Processing, Computer-Assisted; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology; D014851:Wakefulness / Q000502:physiology*