Co-occurring depressive and insomnia symptoms

Co-occurring depressive and insomnia symptoms has been studied in 1 paper since 2026: 1 observational study in people; 1 in the past year. The newest story, Nov 9, 2026: “Depressive and insomnia symptoms together linked to dementia risk”.

Exposure

1 paper studies it2 findingsUpdated

See all 1 papers on co-occurring depressive and insomnia symptoms

At a glance

The findings reach people, from one lab or study. 1 lab in 1 country.

“Co-occurring symptoms were associated with higher dementia hazard than neither (HR = 1.37; 95% confidence interval [CI]: 1.23-1.53)”
Depressive and insomnia symptoms and incident dementia risk: A 12-year study in U.S. older adultsJournal of affective disorders2026doi:10.1016/j.jad.2026.121965

1 of its findings points the other way.

Humans: a single group. Cells, worms or flies and mice: nothing yet.
  • 1 lab in 1 country
  • 1 finding against
  • Funders: National Institute of Nursing Research and 1 more
  • Humans1

What did studies of co-occurring depressive and insomnia symptoms find?

1

Studies of co-occurring depressive and insomnia symptoms measured one outcome, dementia.

Dementia

no changein humans1HR 0.94

1 study
  1. Co-occurring depressive and insomnia symptoms were not clearly linked with dementia in humans (compared to depression-only) (HR = 0.94; 95% CI: 0.84-1.05).

    “did not differ from depression-only (HR = 0.94; 95% CI: 0.84-1.05)”

    Humanscompared to depression-onlyn = 6,226

    Depressive and insomnia symptoms together linked to dementia risk

    Journal of affective disorders

More on Dementia

What is co-occurring depressive and insomnia symptoms linked with?

1

Studies link co-occurring depressive and insomnia symptoms with dementia.

Dementia

upin humans1HR 1.37

1 study
  1. Co-occurring depressive and insomnia symptoms are linked with a higher risk of dementia in humans (compared to neither-symptom) (HR = 1.37; 95% CI: 1.23-1.53).

    “Co-occurring symptoms were associated with higher dementia hazard than neither (HR = 1.37; 95% confidence interval [CI]: 1.23-1.53)”

    Humanscompared to neither-symptomn = 6,226

    Depressive and insomnia symptoms together linked to dementia risk

    Journal of affective disorders

More on Dementia

Latest

Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 1Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 01 paper in 12 months
Journal of Affective Disorders

Depressive and insomnia symptoms together linked to dementia risk

Both symptoms were linked to higher dementia risk than neither, with a hazard ratio of 1.37, a relative measure of risk.Both symptoms were linked to higher dementia risk than neither, with a hazard ratio of 1.37, a relative measure of risk.

Cohort · 6,226 peopleDementia