[Study of sleep by the polygraphic method].
D001921:Brain / Q000502:physiology; D004569:Electroencephalography; D004576:Electromyography; D004594:Electrophysiology; D006801:Humans; D012890:Sleep / Q000502:physiology; D012894:Sleep Stages; D012895:Sleep, REM
Badanie snu metoda poligraficzna.