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  • Title: Polysomnographic findings in adolescents with major depression.
    Author: Khan AU, Todd S.
    Journal: Psychiatry Res; 1990 Sep; 33(3):313-20. PubMed ID: 2243906.
    Abstract:
    Ten adolescents with major depression and 10 age-matched controls were studied with polysomnography for 3 consecutive nights. The sleep records were analyzed for variables pertaining to sleep continuity (total sleep time, sleep efficiency, sleep onset latency, number of awakenings, and number of stage shifts), sleep architecture (Stages 1, 2, 3, and 4), and rapid eye movement (REM) sleep (total) REM sleep time, number of REM periods, REM latency, and REM density). The experimental and control groups were compared on 14 variables with the t test for independent groups. The results indicated that none of the sleep variables differed significantly between the two groups. These results confirm earlier findings indicating that the abnormalities in REM latency and REM density that characterize adults with major depression are absent in adolescents suffering from major depression. Developmental and diagnostic variables are discussed as possible explanations for the sleep differences between adolescents and adults with depressive disorders.
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