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Related Experiment Video

Updated: Sep 25, 2025

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
04:33

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

Published on: April 26, 2024

837

Sleep Efficiency May Predict Depression in a Large Population-Based Study.

Bin Yan1,2, Binbin Zhao2, Xiaoying Jin2

  • 1Department of Clinical Research Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.

Frontiers in Psychiatry
|May 2, 2022
PubMed
Summary
This summary is machine-generated.

Objective sleep characteristics like sleep efficiency and wake after sleep onset are linked to depression incidence. This association was stronger for sleep efficiency in men.

Keywords:
SHHSdepressionmenpolysomnographysleep efficiency

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Area of Science:

  • Sleep Medicine
  • Psychiatry
  • Epidemiology

Background:

  • Depression is a prevalent mental health disorder.
  • Objective sleep characteristics are increasingly recognized as potential factors influencing mental health outcomes.
  • Understanding these relationships can inform preventative strategies.

Purpose of the Study:

  • To investigate the association between objective sleep characteristics and the incidence of depression.
  • To explore potential sex differences in this relationship.

Main Methods:

  • Utilized data from 3,375 participants (1,595 men, 1,780 women) from the Sleep Heart Health Study (SHHS).
  • Assessed objective sleep parameters including sleep efficiency (SE), wake after sleep onset (WASO), sleep fragmentation index (SFI), and arousal index (ArI) via polysomnography.
  • Employed multivariable logistic regression to analyze the relationship between sleep characteristics and depression incidence over a follow-up period.

Main Results:

  • A total of 248 cases (7.3%) of depression incidence were observed.
  • Lower sleep efficiency (SE) and increased wake after sleep onset (WASO) were significantly associated with a higher incidence of depression.
  • The association between SE and depression was significantly stronger in men compared to women (P interaction < 0.05).

Conclusions:

  • Objective sleep measures, specifically SE and WASO, may serve as valuable biomarkers for predicting depression incidence.
  • Sleep efficiency's impact on depression risk appears to be more pronounced in men.
  • Further research is warranted to elucidate the mechanisms underlying these sex-specific associations.