期刊
PSYCHIATRY RESEARCH
卷 293, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2020.113337
关键词
Circadian; Mood disorders; Sleep
类别
资金
- National Institutes of Health [R01-HL125893, R01-HL142064, R01-HL140577, F32-HL131308, KL2-TR002370, UL1-TR000128]
- NSBRI [NCC 9-58]
- American Sleep Medicine Foundation
- Ford Foundation
- Oregon Institute of Occupational Health Sciences
In humans, there is an endogenous, near 24-h (i.e., circadian) variation in mood with the best mood occurring during the circadian day and the worst mood occurring during the circadian night. Only positive affect, and not negative affect, has been shown to contribute to this circadian rhythm. We discovered a sharp circadian peak in negative affect during the circadian night coincident with a circadian trough in positive affect. These findings may help explain the association of depression with insomnia, the increased risk of suicide with nocturnal wakefulness, and the correlation between circadian misalignment and symptom severity in Major Depressive Disorder.
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