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Journal Article

Citation

Zhao J, Liu H, Wu Z, Wang Y, Cao T, Lyu D, Huang Q, Wu Z, Zhu Y, Wu X, Chen J, Wang Y, Su Y, Zhang C, Peng D, Li Z, Rong H, Liu T, Xia Y, Hong W, Fang Y. Sleep Med. 2021; 81: 375-381.

Copyright

(Copyright © 2021, Elsevier Publishing)

DOI

10.1016/j.sleep.2021.03.005

PMID

33813234

Abstract

BACKGROUND: The co-occurrence of insomnia and hypersomnia symptoms in patients with major depressive disorder (MDD) is associated with suicidal ideation and functional impairment. The relationship between sleep disturbances and clinical features and outcomes may not be adequately studied. In this study, we measured the functional impairments and clinical features of co-occurring insomnia and hypersomnia symptoms in Chinese patients with MDD.
METHODS: A post-hoc analysis was performed on data from the National Survey on Symptomatology of Depression (NSSD), which assessed the MDD patients in 32 hospitals by a clinician-rating questionnaire. The clinical features and outcomes were compared among the following four groups: insomnia symptom only, hypersomnia symptom only, both insomnia and hypersomnia symptoms, no sleep disturbance, respectively.
RESULTS: Totally, 234 (7.15%) of 3275 participants with MDD co-occurred insomnia and hypersomnia symptoms. They had more depressive symptoms (27.41 ± 9.123), higher rate of suicide ideation (39.7%), more severe impairment in physical (58.1%), economic (32.9%), work (55.1%), and relationship with families (29.5%). Patients with both sleep disturbances were more likely to excessive worry about sleep, have suicidal ideation, the distress of social disharmony, more somatic symptoms, lack of energy, hyperphagia, loss of mood reactivity, and diurnal change, whereas less likely to have anxious mood.
LIMITATIONS: Sleep disorders were not diagnosed by current standard diagnostic criteria.
CONCLUSIONS: Patients co-occurring with both sleep disturbances are associated with a higher rate of suicide risk and poorer social function. Our study could provide implications for suicidal risk evaluation and the development of therapeutic strategies for depression.


Language: en

Keywords

Humans; Sleep; Suicidal Ideation; Depressive disorder; Insomnia; Symptomatology; Depressive Disorder, Major; Sleep Initiation and Maintenance Disorders; Hypersomnia; Disorders of Excessive Somnolence

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