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Sleep and Psychological Reactions

Frederick Baekeland, MD, DMSc

Arch Gen Psychiatry. 1970;22(4):365-369.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

DELTA (slow wave, stages 3 and 4) sleep has been widely thought of as deep sleep according to criteria involving cerebral responsiveness or ease of arousal.^1-5 On the other hand, it is commonly felt that exercise promotes sound or deep sleep, a notion supported by recent experimental studies which indicate the delta sleep-promoting effects of exercise both in animals^6,7 and man.⁸ Although it was shown in this laboratory⁸ that subjects (Ss) who exercise regularly have more delta sleep on days with exercise than on days without it, it was not possible to determine the duration of the effects of exercise on sleep since the Ss never went without exercise for more than two consecutive days. Hence, we decided to study the sleep of a group of Ss used to regular exercise both while they were exercising and over a relatively prolonged . . . [Full Text PDF of this Article]

Author Affiliations
Brooklyn. NY

From the Psychology Laboratory of the Department of Psychiatry, State University of New York, Downstate Medical Center, Brooklyn, NY.

Footnotes
Submitted for publication Sept 8, 1969.

Reprint requests to Downstate Medical Center, 450 Clarkston Ave, Brooklyn, NY 11203 (Dr. Baekeland).

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