Medical Studies
eISSN: 2300-6722
ISSN: 1899-1874
Medical Studies/Studia Medyczne
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1/2026
vol. 42
 
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abstract:
Review paper

The impact of sleep duration and sleep disorders on the occurrence of cardiovascular diseases: a review of current literature

Julia Domańska-Poboża
1
,
Kamil Poboży
2
,
Paweł Domański
3
,
Wojciech Konarski
3
,
Tomasz Poboży
3

  1. National Medical Institute of the Ministry of Interior and Administration, Warsaw, Poland
  2. Faculty of Medicine, Medical University of Warsaw, Poland
  3. Department of Orthopedic Surgery, Ciechanów Hospital, Ciechanów, Poland
Medical Studies 2026; 42 (1): 1–6
DOI: https://doi.org/10.5114/ms.2026.160396
Online publish date: 2026/04/20
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Cardiovascular diseases (CVDs) are a leading cause of mortality worldwide, prompting research into potential risk factors. Sleep disorders (SDs), affecting a significant proportion of the population, may contribute to cardiovascular risk. This review examines key studies on the relationship between sleep duration, SDs, and CVDs. Wang et al. demonstrated that short sleep (< 6–7 hours) increases the risk of coronary artery disease (OR  =  1.24) and myocardial infarction (OR = 1.20), while Yin et al. reported a U-shaped relationship between sleep duration and CVD risk. Additionally, Zheng et al. found that insomnia symptoms significantly elevate risks of ischemic heart disease and stroke, and Li et al. confirmed that obstructive sleep apnea doubles the risk of stroke (RR  =  2.10). These studies underline the importance of both adequate sleep duration and effective management of sleep disorders to mitigate cardiovascular risk. Healthcare professionals should incorporate sleep assessment into routine cardiovascular risk evaluation.
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