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Psychosomatic Medicine, Vol 38, Issue 4 250-256, Copyright © 1976 by American Psychosomatic Society

ORIGINAL ARTICLES

Diuranal rhythms in 2- and 8-week-old infants: sleep-waking state organization as a function of age and stress

AM Sostek, TF Anders and AJ Sostek

Time of day differences in sleep-waking state organization were studied in 2- and 8-week-old infants by means of videotape recordings. Observations were made prior to and following adaptation to standard laboratory conditions previously found to be stressful. Diurnal rhythms occurred for a number of component sleep-waking states under the nonstressful conditions only, and increased with age.




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Copyright © 1976 by the American Psychosomatic Society