TY  - JOUR
T1  - SLeep and wakefulness as alternating phases in the cycle of existence
Y1  - 1939/12/02
N1  - 10.1001/jama.1939.02800480071032
JO  - Journal of the American Medical Association
SP  - 2086
EP  - 2086
VL  - 113
IS  - 23
N2  - Among a mass of literature on sleep published in recent years the book by Kleitman comes as a refreshing, scientific document in the midst of theory, superstition and suggestion. The author, who is associate professor of physiology at the University of Chicago, has done sixteen years' observational and experimental work on this subject. He provides evidence of the functional differences between wakefulness and sleep and discusses the periodicity of sleep and the factors that disturb the sleep-wakefulness cycle. He also discusses states resembling sleep, such as hibernation and hypnosis, and concludes with an analysis of the various theories of sleep. An exceedingly practical chapter deals with the hygiene of sleep. The book is complete with a bibliography and an index. The book is beautifully printed, the style is excellent and the reasoning is sound. The author concludes that cortical dominance is the principal feature in the development of the vertebrate
SN  - 0002-9955
M3  - doi: 10.1001/jama.1939.02800480071032
UR  - http://dx.doi.org/10.1001/jama.1939.02800480071032
ER  -