Marriage microbiome: could your Partner's bacteria affect your sleep and eyesight?
NCT ID NCT06638606
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This completed study looked at 1,740 newly married couples to see if the bacteria in their mouth, eyes, and gut are linked to sleep problems, vision issues, and mood. Participants provided samples and completed surveys about sleep, anxiety, depression, and dry eye symptoms. The goal is to understand how these bacteria might influence health, but it does not test any treatment.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this could reveal links between microbiota and sleep, vision, or mood in couples, pointing toward future interventions.
- What could go wrong
- This is an observational study, not a treatment trial. Results may show correlations but not cause, and findings may not apply to other groups.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Private sleep clinic
Tehran, 1961835555, Iran
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