Insomnia Symptoms and Blood Sugar Levels in Japanese Men
Author Information
Author(s): Kachi Yuko, Nakao Mutsuhiro, Takeuchi Takeaki, Yano Eiji
Primary Institution: Teikyo University, Tokyo, Japan
Hypothesis
Does each symptom of insomnia influence hemoglobin A1c levels in Japanese men?
Conclusion
Insomnia symptoms, especially difficulty in maintaining sleep and early morning awakening, are closely associated with high hemoglobin A1c levels in Japanese men.
Supporting Evidence
- The overall prevalence of high HbA1c was 5.2%.
- Difficulty in maintaining sleep was significantly associated with high HbA1c.
- Early morning awakening lasting more than 2 weeks was also significantly associated with high HbA1c.
Takeaway
If you have trouble sleeping, it might make your blood sugar levels higher, which can lead to diabetes.
Methodology
This cross-sectional study examined 1,022 male workers aged 22–69 years with no history of diabetes, assessing insomnia symptoms and measuring HbA1c levels.
Potential Biases
Self-reported insomnia symptoms may introduce reporting bias.
Limitations
The study's cross-sectional design limits the ability to determine causality, and the sample was restricted to men, affecting generalizability.
Participant Demographics
1,022 male workers aged 22–69 years.
Statistical Information
P-Value
0.002 for difficulty in maintaining sleep; 0.007 for early morning awakening.
Confidence Interval
1.86–24.85 for difficulty in maintaining sleep lasting more than 2 weeks; 1.24–12.59 for early morning awakening lasting more than 2 weeks.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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