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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
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Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
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Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
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Related Experiment Video

Updated: Sep 23, 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

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Association between sleep quality and depressive symptoms.

Hye Jin Joo1, Kyung A Kwon2, Jaeyong Shin3

  • 1Department of Public Health, Graduate School, Yonsei University, Seoul, Republic of Korea; Institute of Health Services Research, Yonsei University, Seoul, Republic of Korea.

Journal of Affective Disorders
|May 11, 2022
PubMed
Summary

Poor sleep quality is strongly linked to depression in Korean adults. Addressing sleep issues may help prevent depressive symptoms and improve mental health outcomes.

Keywords:
DepressionMental healthPatient Health Questionnaire-9Pittsburgh sleep quality indexSleep qualitySouth Korea

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Area of Science:

  • Public Health
  • Mental Health Research
  • Epidemiology

Background:

  • Depression is a prevalent mental health disorder globally.
  • Sleep disturbances are frequently observed in individuals with depression.
  • Limited research exists on the specific association between sleep quality and depression in the South Korean population.

Purpose of the Study:

  • To investigate the relationship between sleep quality and depressive symptoms.
  • To analyze this association within the South Korean adult population.

Main Methods:

  • Cross-sectional study utilizing data from the 2018 Korean Community Health Survey.
  • Involved 176,794 adults aged 19 and over.
  • Sleep quality assessed using the Pittsburgh Sleep Quality Index (PSQI), depressive symptoms via the Patient Health Questionnaire-9 (PHQ-9), analyzed with multiple logistic regression.

Main Results:

  • Poor sleep quality was significantly associated with a higher likelihood of depression in both men and women.
  • Men with poor sleep quality had an odds ratio of 7.02 for depression.
  • Factors like being unmarried, higher education, white-collar jobs, smoking, frequent drinking, physical activity, and perceived stress influenced this association.

Conclusions:

  • Poor sleep quality may be a contributing factor to depressive symptoms in Korean adults.
  • Screening for poor sleep quality and interventions to enhance sleep hygiene are recommended for depression prevention.