Othmer, E Encephalic cycles during sleep and wakefulness in humans: a 24-hour pattern. [electronic resource] - Science (New York, N.Y.) Apr 1969 - 447-9 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.164.3878.447 doi Subjects--Topical Terms: Brain--physiologyCircadian RhythmDreamsElectroencephalographyElectromyographyElectrooculographyFemaleHumansSleep, REMWakefulness