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Article
September 1972

REM Activity as a Correlate of Mood Changes Throughout the NightElectroencephalographic Sleep Patterns in a Patient With a 48-Hour Cyclic Mood Disorder

Author Affiliations

New Haven, Conn
From the Department of Psychiatry, Yale University School of Medicine, Connecticut Mental Health Center, New Haven, Conn.

Arch Gen Psychiatry. 1972;27(3):368-373. doi:10.1001/archpsyc.1972.01750270072011
Abstract

The first extensive longitudinal electroencephalographic sleep investigation of a patient with a 48-hour "manic-depressive cycle" is reported. On nights preceding "depressed" days, the patient's sleep showed significantly more early morning awakening and less REM activity compared to nights preceding "hypomanic" days. Changes in REM activity throughout the night coincided with alterations in mood occurring throughout the night. Despite the inverse correlation of REM activity to depressed mood, a brief REM deprivation protocol failed to alter the periodicity of the mood cycles. Since depressed mood can be related to particular sleep alterations, it appears that the all night sleep pattern should be viewed as a dynamic process reflecting mood changes throughout the night.

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