Evidence map›Paper›PMID 27354979›Full record

ArticleJournal of caring sciences2016

Sleep Hygiene Practices and Their Relation to Sleep Quality in Medical Students of Qazvin University of Medical Sciences.

Zohreh Yazdi, Ziba Loukzadeh, Parichehr Moghaddam, Shabnam Jalilolghadr

Open access · diamondAbstract read
In one paragraph

Article in Journal of caring sciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 3 pooled it
5.1field-weighted citation impact, top 5% of its field
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

35 citing papers in PubMed, 3 syntheses or guidelines pooled it, 94 citations in OpenAlex.

  1. Pooled it
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  10. Sleep quality, sleep hygiene practices and their influencing factors among Malaysian university students: A cross-sectional study.Malaysian family physician : the official journal of the Academy of Family Physicians of Malaysia · 2025
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  13. Observational
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  19. Sleep hygiene behaviours mediate the association between health/e-health literacy and mental wellbeing.Health expectations : an international journal of public participation in health care and health policy · 2023
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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

4 authors at 2 institutions in 1 country.

Zohreh YazdiSocial Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran.
Ziba LoukzadehIndustrial Diseases Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Parichehr MoghaddamSocial Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran.
Shabnam JalilolghadrChildren Growth Research Center, Qazvin University of Medical Sciences, Qazvin, Iran.
Qazvin University of Medical Sciences · IRShahid Sadoughi University of Medical Sciences and Health Services · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionPoor quality of sleep is a distressing and worrying condition that can disturb academic performance of medical students. Sleep hygiene practices are one of the important variables that affect sleep quality. The objective of this study was to assess association between sleep hygiene practices and sleep quality of medical students in Qazvin University of Medical Sciences.

methodsIn this descriptive-correlational study, a total of 285 medical students completed a self-administered questionnaire. Demographic data, sleep-wake schedule in weekday and weekend, and sleep duration were collected. Students' sleep quality was assessed by Pittsburg Sleep Quality Index (PSQI). Data were analyzed by SPSS Ver 13.

resultsOverall, 164 (57.5) of students had poor sleep quality. Mean global PSQI score and average score of four subscales were significantly higher in male than female. Regression analysis showed that male students (β=-0.85, P<0.05), students at senior level (β=-0.81, P<0.05), married students (β=-0.45, P<0.05), and those with improper sleep hygiene practices slept worse.

conclusionThe findings of this study showed that the prevalence of poor sleep quality in medical students is high. Improper sleep hygiene behaviors might be a reason for poor quality of sleep in medical students.

Indexed as

Medical studentsSleep hygiene practiceSleep quality

Identifiers

PMID27354979
PMCPMC4923839
OpenAlexW2411458385

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.