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Updated: Sep 14, 2025

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Exploring the Interaction Between Sleep Patterns, Cardiac Autonomic Function, and Traditional Cardiovascular Risk

Mohamed Ali Hbaieb1,2,3, Laurent Bosquet1, Omar Hammouda2,4

  • 1Laboratory Mobilité, Vieillissement, Exercise (MOVE) (UR20296), Faculty of Sport Sciences, University of Poitiers, Poitiers, France.

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|July 24, 2025
PubMed
Summary
This summary is machine-generated.

Good sleep health and increased physical activity are linked to better heart rate variability and cardioprotection in patients recovering from acute myocardial infarction (AMI). This highlights the importance of lifestyle factors for cardiovascular recovery.

Keywords:
acute myocardial infarctioncardiac autonomic functionphysical activitysleep

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Preventive Cardiology

Background:

  • Lifestyle monitoring is crucial for cardiovascular health and recovery post-acute cardiac events.
  • Sleep quality and quantity are key indicators of cardiovascular health and predict adverse outcomes after acute myocardial infarction (AMI).

Purpose of the Study:

  • To assess sleep metrics in patients with AMI.
  • To explore the relationship between sleep patterns, heart rate variability (HRV), and cardiovascular risk factors in AMI patients.

Main Methods:

  • Sixty male AMI patients underwent short-term HRV analysis and physical activity monitoring via accelerometers.
  • Objective sleep quality/quantity and chronotype were assessed using wrist-worn accelerometers and questionnaires.
  • Cardiac autonomic function was evaluated during the second week post-AMI.

Main Results:

  • Over a third of AMI patients (33.3%) had poor sleep quality (efficiency <85%).
  • Half of the patients (50%) experienced short sleep duration; however, 23.3% slept longer than 8 hours.
  • Healthy sleep quality and quantity correlated with higher HRV parameters (p < 0.05); low physical activity was linked to long sleep duration and evening chronotype.

Conclusions:

  • Patients engaging in moderate to vigorous physical activity showed better sleep health and increased parasympathetic activity.
  • These findings suggest that physical activity and good sleep are cardioprotective factors in the post-AMI recovery phase.