Evidence map›Paper›PMID 40630424›Full record

ArticleFood science & nutrition2025

Association Between Fermented Food Consumption and Sleep Quality Under Psychological Stress: Prospective Cohort Study.

Maria Dobielska, Natalia Bartosik, Ksawery Olczyk, Adrian Suława, Mateusz Litwin, Jakub Parys, Michał Seweryn Karbownik

Abstract read
In one paragraph

Article in Food science & nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Maria DobielskaDepartment of Infectious, Tropical, and Parasitic Diseases for Children Władysław Biegański Voivodeship Specialist Hospital Łódź Poland.ORCID https://orcid.org/0000-0001-9694-4396
Natalia BartosikDepartment of Psychiatry Ludwik Rydygier Voivodeship Integrated Hospital Toruń Poland.ORCID https://orcid.org/0000-0002-3671-238X
Ksawery OlczykInstitute of Sociology, University of Lodz Łódź Poland.ORCID https://orcid.org/0009-0002-9274-3647
Adrian SuławaZiemo-Vita Medical Center Wrocław Poland.ORCID https://orcid.org/0009-0005-2451-6321
Mateusz LitwinUniversity Clinical Hospital No. 2 of the Medical University of Lodz Łódź Poland.ORCID https://orcid.org/0009-0006-5131-1863
Jakub ParysCentral Clinical Hospital of Medical University of Lodz Łódź Poland.ORCID https://orcid.org/0009-0009-1955-7865
Michał Seweryn KarbownikDepartment of Pharmacology and Toxicology Medical University of Lodz Łódź Poland.ORCID https://orcid.org/0000-0002-4416-2736

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sleep quality might be dependent on the gut-brain axis that employs gut microbiota. As, in adulthood, diet has the greatest influence on microbiota, the aim of the study was to investigate whether the consumption of fermented food was associated with sleep quality among medical students under exam stress. A prospective cohort questionnaire-based study was conducted online on a group of medical students under exam stress from the Medical University of Lodz, Poland. The participants were asked to provide information regarding their health and sleep quality (Pittsburgh Sleep Quality Index, PSQI) in the last week before the exam. During the 4 days before the exam, the participants were recording the consumption of various types of food and beverages, including fermented food. The study sample was 280 medical students (their mean age was 22.63, 172 were female). Students whose fermented food consumption was found in the second tercile had higher sleep quality under stress (mean PSQI 5.13) than students in the first (mean PSQI 5.73) and third (mean PSQI 6.17) terciles of fermented food consumption (

Indexed as

brain‐gut axisfermented foodfood recordinsomniaprobioticssleep quality

Identifiers

PMID40630424
PMCPMC12234256

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.