Guest Editorial - The Standardized Sleep Manual, love it or leave it

References 

1. Dement WC, Kleitman N. Cyclic variations in EEG during sleep and their relation to eye movements, body motility and dreaming. Electroencephalogr Clin Neurophysiol. 1957;9:673–690
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2. Loomis AL, Harvey EN, Hobart GAI. Cerebral stages during sleep, as studied by human brain potentials. J Exp Psychol. 1937;21:127–144
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3. Rechtschaffen, A, Kales, A, A Manual of Standardized Terminology, Techniques, and Scoring System for Sleep Stages of Human Subjects. Los Angeles, CA: BIS/BRI, Univ. of California, 1968