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Multicenter Study
. 2025 Aug;18(8):e011873.
doi: 10.1161/CIRCOUTCOMES.124.011873. Epub 2025 Jul 24.

Device-Measured Sleep Characteristics, Daily Step Count, and Cardiometabolic Health Markers: Findings From the Prospective Physical Activity, Sitting, and Sleep (ProPASS) Consortium

Collaborators, Affiliations
Multicenter Study

Device-Measured Sleep Characteristics, Daily Step Count, and Cardiometabolic Health Markers: Findings From the Prospective Physical Activity, Sitting, and Sleep (ProPASS) Consortium

Wenxin Bian et al. Circ Cardiovasc Qual Outcomes. 2025 Aug.

Abstract

Background: Sleep and physical activity (PA) are important lifestyle-related behaviors that impact cardiometabolic health. This study investigated the joint associations of daily step count and sleep patterns (regularity and duration) with cardiometabolic biomarkers in adults.

Methods: We conducted a cross-sectional study using pooled data from the Prospective PA, Sitting, and Sleep Consortium, comprising 6 cohorts across Europe and Australia with thigh-worn accelerometry data collected between 2011 and 2021. The sleep regularity index, a metric that quantifies day-to-day sleep consistency, sleep duration (h/d), and steps (per day), was derived from the accelerometer data and categorized based on tertiles and sleep duration guidelines. We used multivariate generalized linear models to examine joint associations of sleep patterns and total daily step count with individual cardiometabolic biomarkers, including body mass index, waist circumference, total cholesterol, HDL (high-density lipoprotein) cholesterol, triglycerides, HbA1c (glycated hemoglobin), and a composite cardiometabolic health score (mean of the 6 standardized biomarker Z scores).

Results: The sample included 11 903 adults with a mean±SD age of 54.7±9.5 years, 54.9% female, a sleep regularity index of 78.7±10.4, and 10 206.4±3442.2 daily steps. Lower PA (<8475 steps/d) combined with either lower sleep regularity (sleep regularity index <75.9) or short sleep duration (<7 h/d) was associated with the least favorable composite cardiometabolic health. The corresponding Z scores (95% CI) were 0.34 (0.30-0.38) and 0.26 (0.22-0.31) compared with those with optimal sleep (sleep regularity index >84.5 or 7-8 h/d) and high step count (>11 553 steps/d). The combination of low sleep regularity and low daily steps was associated with higher body mass index (2.92 [2.61-3.24] kg/m2), waist circumference (8.58 [7.78-9.38] cm), total cholesterol (0.15 [0.07-0.23] mmol/L), and lower HDL levels (0.17 [0.14-0.2] mmol/L), regardless of sleep duration. The combination of short sleep and low step count had the strongest unfavorable associations for body mass index (2.31 [1.98-2.65] kg/m2) and waist circumference (7.01 [6.15-7.87] cm).

Conclusions: Our findings suggest that the potential deleterious associations of irregular or insufficient sleep with cardiometabolic health outcomes may be exaggerated by lower daily PA. Investigation of the prospective joint association of sleep patterns and PA with cardiometabolic health may be warranted.

Keywords: accelerometry; cardiometabolic risk factors; cardiovascular diseases; epidemiology; exercise; public health; sleep duration.

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Conflict of interest statement

Dr Stamatakis is a paid consultant and holds equity in Complement Theory, Inc, a US-based startup whose products and services relate to physical activity. The other authors report no conflicts.

Figures

Figure 1.
Figure 1.
Joint association of sleep regularity, sleep duration, and total daily steps with composite cardiometabolic health score (composite Z score: standardized mean score across cardiometabolic biomarkers). Joint associations of (A) sleep regularity and total daily steps, and (B) sleep duration and total daily steps with composite cardiometabolic health (Z score, derived from the overall sample distribution; higher scores indicate poorer cardiometabolic health). Reference groups: (A) high sleep regularity index (SRI) and high total daily steps and (B) adequate sleep duration and high total daily steps. Sleep duration was categorized into short (<7 h/d), adequate (7–8 h/d), and long (>8 h/d); sleep regularity (low, SRI <75.9; medium, 75.9≤SRI ≤84.5; and high, SRI >84.5); and total daily steps (low, <8475 steps; medium, 8475–11 553 steps; and high, >11 553 steps) were categorized into tertiles. For instance, the joint exposure group, high SRI high steps, includes participants with a high SRI (SRI >84.5) and a high daily step count (>11 553 steps/d), while the joint exposure group, adequate sleep high steps, includes those with adequate sleep duration (7–8 h/d) and a high daily step count. Both models were adjusted for age, sex, cohort, smoking, alcohol consumption, education, self-rated health, medication use, prevalent cardiovascular disease, mobility limitations, and mutually adjusted for sleep duration and sleep regularity. N=8892. Generalized linear model (GLM) coefficients represent the mean differences of Z scores between the reference group and each of the other joint sleep and step groups.
Figure 2.
Figure 2.
Joint association of sleep regularity and total daily steps with body mass index (BMI), waist circumference, HDL (high-density lipoprotein), total cholesterol, triglycerides, and HbA1c (glycated hemoglobin). Joint associations of sleep regularity and total daily steps with (A) BMI, (B) waist circumference, (C) HDL, (D) total cholesterol, (E) triglycerides, and (F) HbA1c. Reference group set to high sleep regularity index (SRI) and high total daily steps. Sleep regularity (low, SRI <75.9; medium, 75.9≤SRI ≤84.5; high; and SRI >84.5) and total daily steps (low, <8475 steps; medium, 8475–11 553 steps; and high, >11 553 steps) were categorized into tertiles. For instance, the joint exposure group, high SRI high steps, includes participants with a high SRI (SRI >84.5) and a high daily step count (>11 553 steps/d). Adjusted for age, sex, cohort, smoking, alcohol consumption, self-rated health, medication use, prevalent cardiovascular disease, and sleep duration. N=11 903 (BMI, kg/m2), 11 710 (waist circumference, cm), 10 580 (HDL, mmol/L), 10 579 (total cholesterol, mmol/L), 9291 (triglycerides, mmol/L), and 10 217 (HbA1c, mmol/mol). Generalized linear model (GLM) coefficients represent the mean differences between the reference group and each of the other joint sleep regularity and step groups.
Figure 3.
Figure 3.
Joint association of sleep duration and total daily steps with body mass index (BMI), waist circumference, HDL (high-density lipoprotein), total cholesterol, triglycerides, and HbA1c (glycated hemoglobin). Joint associations of sleep duration and total daily steps with (A) BMI, (B) waist circumference, (C) HDL, (D) total cholesterol, (E) triglycerides, and (F) HbA1c. Reference group set to adequate sleep duration and high total daily steps. Sleep duration was categorized into short (<7 h/d), adequate (7–8 h/d), and long (>8 h/d), and total daily steps (low, <8475 steps; medium, 8475–11 553 steps; and high, >11 553 steps) were categorized into tertiles. For instance, the joint exposure group, adequate sleep high steps, includes participants with adequate sleep duration (7–8 h/d) and a high daily step count (>11 553 steps/d). Adjusted for age, sex, cohort, smoking, alcohol consumption, self-rated health, medication use, prevalent cardiovascular disease, and sleep regularity. N=11 903 (BMI, kg/m2), 11 710 (waist circumference, cm), 10 580 (HDL, mmol/L), 10 579 (total cholesterol, mmol/L), 9291 (triglycerides, mmol/L), and 10 217 (HbA1c, mmol/mol). Generalized linear model (GLM) coefficients represent the mean differences between the reference group and each of the other joint sleep duration and step groups.

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