Related Experiment Video
Updated: May 27, 2026

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness
Published on: May 3, 2018
Relation between self-reported sleep duration and arterial stiffness: a cross-sectional study of middle-aged Japanese
Eiji Yoshioka1, Yasuaki Saijo, Toshiko Kita
1Department of Public Heath Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan. e-yoshi@med.hokudai.ac.jp
Objectives:
The aim of this study is to examine the relationship between self-reported sleep duration and arterial stiffness in a large-scale Japanese study.
Design:
Cross-sectional study.
Setting:
Sapporo City, Hokkaido, Japan.
Participants:
Local government employees aged 35-62 years, who underwent annual health checkups from April 2003 to March 2004. After excluding those with incomplete data, data from 4,268 employees (males: 3,410) participants were analyzed.
Interventions:
N/A.
Measurements And Results:
Brachial-ankle pulse-wave velocity (baPWV) was investigated as an indicator of arterial stiffness. We used a self-administered questionnaire, which included items on daily sleep duration, lifestyle factors, and occupational factors. Sleep duration was classified into 5 categories; " ≤ 5 h," "6 h," "7 h," "8 h," and " ≥ 9 h." Results of multiple linear regression analysis after fully adjusting the model revealed that subjects with ≥ 9 h of daily sleep had significantly elevated baPWV values compared with the reference group with 7 h of sleep. Stratified analyses by sex showed that there was a significant association among male subjects only.
Conclusions:
Daily sleep duration ≥ 9 h was found to be associated with elevated values of baPWV. This suggests that there is an association between long sleep duration and arterial stiffness.
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