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Ever wondered why we sleep? Here we have a nice Penguin copy of British psychiatrist Ian Oswald's specialist investigation into the various methods of sleep study which details his findings on the reasons for sleep and the effects drugs, hypnosis, and insomnia have on the process. The cover features a detail of Henry Moore's 'Pink and Green Sleeper'
Publisher: Penguin Books
Publication Date: 1974
Binding: Softcover
Book Condition: Very Good