Last updated July 11, 2026
Key finding
PSQI dropped significantly from baseline.
This study evaluated an educational intervention aimed at improving sleep hygiene in patients with type 2 diabetes, showing significant improvements in sleep quality and metabolic markers at 3 months.
Quick read
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Medium-Term (3–12 mo)
Risk of bias
Some Concerns
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Plain-language summary
A plain-language read of the study’s main message and where it applies.
Study focus
This study evaluated an educational intervention aimed at improving sleep hygiene in patients with type 2 diabetes, showing significant improvements in sleep quality and metabolic markers at 3 months.
Improving sleep hygiene is crucial for patients with type 2 diabetes, as better sleep can lead to enhanced metabolic control and overall health. This study highlights the potential of educational interventions to address sleep issues in this population, which may ultimately reduce diabetes-related complications.
The study only assessed short-term outcomes, limiting long-term applicability. Sample size and demographic characteristics may affect generalizability. No control for potential confounding factors affecting sleep and metabolic outcomes.
Published in
Publication details and source links for this paper.
Cristina G, Jesús PS, Lidia A, et al. Educational Intervention to Improve Sleep Hygiene in Patients with Type 2 Diabetes. Biology. 2022;11(6):893. doi:10.3390/biology11060893
PSQI score decreased by 2.97 points (p=0.001), indicating improved sleep quality.
Sleep duration increased by 1 hour (p=0.002).
Fasting glucose decreased by 12.5 mg/dL (p=0.05) after 3 months.
Evidence network
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This study contributes evidence to Educational intervention to improve sleep hygiene and Fasting Plasma Glucose (FPG), HbA1c, Sleep efficiency, and 2 more.
This study contributes evidence to
Primary intervention
Educational intervention to improve sleep hygiene
Primary outcomes
Primary intervention
Primary outcomes
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
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Evidence pairs
1636
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Contributes evidence
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Contributes evidence
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Primary evidence
Evidence topic
matched_outcome
Related evidence
Evidence topic
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Core evidence
The primary outcomes reported in this study.
Educational intervention to improve sleep hygiene → Fasting Plasma Glucose (FPG)
Educational intervention to improve sleep hygiene → Fasting Plasma Glucose (FPG)
Educational intervention to improve sleep hygiene → HbA1c
Educational intervention to improve sleep hygiene → HbA1c
Educational intervention to improve sleep hygiene → Sleep efficiency
Educational intervention to improve sleep hygiene → Sleep efficiency
Educational intervention to improve sleep hygiene → Sleep quality
Educational intervention to improve sleep hygiene → Sleep quality
Educational intervention to improve sleep hygiene → Total sleep time measured in minutes
Educational intervention to improve sleep hygiene → Total sleep time measured in minutes
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Educational intervention to improve sleep hygiene and Fasting Glucose, Educational intervention to improve sleep hygiene and HbA1c.
This study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Behavioral & Lifestyle
Behavioral & Lifestyle
Curated evidence collections and hubs this study is part of.
All studies on Educational intervention to improve sleep hygiene
Contributes to Educational intervention to improve sleep hygiene evidence base.
All studies measuring Fasting Glucose
Measures Fasting Glucose as a key outcome.
All studies measuring HbA1c
Measures HbA1c as a key outcome.
All studies measuring Quality of Life Outcomes
Measures Quality of Life Outcomes as a key outcome.
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1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Educational intervention to improve sleep hygiene appears to improve fasting plasma glucose (FPG).
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Fasting Plasma Glucose (FPG)
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Educational intervention to improve sleep hygiene appears to lower HbA1c.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
HbA1c
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Educational intervention to improve sleep hygiene appears to improve sleep efficiency.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Sleep efficiency
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Educational intervention to improve sleep hygiene appears to improve sleep quality.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Sleep quality
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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