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A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
Published on: April 19, 2019
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Sleep quality and regular physical activity in reducing cardiac risk
Nivaldo de Jesus Silva Soares Junior1,2, Carlos Alberto Alves Dias-Filho1,2, Andressa Coelho Ferreira1,2
1Universidade Federal Do Maranhão (UFMA), São Luís, Brazil.
Sleep & Breathing = Schlaf & Atmung
|August 3, 2022
Summary
Physically active adolescents show better heart rate variability (HRV) and cardiovascular health, even with poor sleep quality. Regular exercise offers a protective effect against sedentary behavior risks in teens.
Area of Science:
- Cardiovascular Health
- Adolescent Health
- Exercise Physiology
Background:
- Sedentary behavior, including excessive screen time, is linked to early cardiovascular disease and obesity in adolescents.
- These sedentary habits intensified during the 2020/2021 pandemic.
- Sleep quality significantly impacts blood pressure and cardiac autonomic balance, while exercise provides a protective effect.
Purpose of the Study:
- To investigate the influence of physical activity on heart rate variability (HRV) and cardiovascular parameters in adolescents experiencing poor sleep quality.
- To compare the physiological status of physically active versus sedentary adolescents with poor sleep.
Main Methods:
- An analytical, cross-sectional study design was employed.
- Measurements included sleep quality, physical activity levels, blood pressure, and heart rate variability (HRV).
- Two-way ANOVA and Tukey's post hoc test were used for group comparisons.
Main Results:
- Out of 352 adolescents, the mean age was 15.8 years.
- Sedentary adolescents with poor sleep exhibited significant deficits in blood pressure and autonomic parameters (pNN50, SD1, HF) compared to active peers with poor sleep.
- Physically active adolescents demonstrated superior HRV and sleep quality compared to their sedentary counterparts.
Conclusions:
- Regular physical activity in adolescents is associated with improved heart rate variability (HRV) and better sleep quality.
- Exercise acts as a protective factor, mitigating some negative cardiovascular and autonomic consequences of poor sleep in adolescents.
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