Relationship between Resting State Heart Rate Variability and Sleep Quality in Older Adults with Mild Cognitive Impairment

Bernhard Grässler, Milos Dordevic, Fabian Herold, Sabine Darius, Corinna Langhans, Nicole Halfpaap, Berit K. Labott, Patrick Müller, Achraf Ammar, Beatrice Thielmann, Irina Böckelmann, Notger G. Müller and Anita Hökelmann
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Bernhard Grässler: Department of Sport Science, Faculty of Humanities, Otto von Guericke University, 39106 Magdeburg, Germany
Milos Dordevic: Research Group Neuroprotection, German Center for Neurodegenerative Diseases (DZNE), 39120 Magdeburg, Germany
Fabian Herold: Research Group Neuroprotection, German Center for Neurodegenerative Diseases (DZNE), 39120 Magdeburg, Germany
Sabine Darius: Department of Occupational Medicine, Medical Faculty, Otto von Guericke University, 39120 Magdeburg, Germany
Corinna Langhans: Department of Sport Science, Faculty of Humanities, Otto von Guericke University, 39106 Magdeburg, Germany
Nicole Halfpaap: Department of Sport Science, Faculty of Humanities, Otto von Guericke University, 39106 Magdeburg, Germany
Berit K. Labott: Department of Sport Science, Faculty of Humanities, Otto von Guericke University, 39106 Magdeburg, Germany
Patrick Müller: Research Group Neuroprotection, German Center for Neurodegenerative Diseases (DZNE), 39120 Magdeburg, Germany
Achraf Ammar: Department of Sport Science, Faculty of Humanities, Otto von Guericke University, 39106 Magdeburg, Germany
Beatrice Thielmann: Department of Occupational Medicine, Medical Faculty, Otto von Guericke University, 39120 Magdeburg, Germany
Irina Böckelmann: Department of Occupational Medicine, Medical Faculty, Otto von Guericke University, 39120 Magdeburg, Germany
Notger G. Müller: Research Group Neuroprotection, German Center for Neurodegenerative Diseases (DZNE), 39120 Magdeburg, Germany
Anita Hökelmann: Department of Sport Science, Faculty of Humanities, Otto von Guericke University, 39106 Magdeburg, Germany

IJERPH, 2021, vol. 18, issue 24, 1-14

Abstract: Sleep problems can be caused by psychological stress but are also related to cardiovascular and neurodegenerative diseases. Improving lifestyle behaviors, such as good sleep hygiene, can help to counteract the negative effects of neurodegenerative diseases and to improve quality of life. The purpose of this cross-sectional study was to investigate the relationship between subjectively reported measures of sleep quality (via Pittsburgh Sleep Quality Index (PSQI)) and objective measures of cardiac autonomic control (via resting state heart rate variability (HRV)) among individuals with mild cognitive impairment (MCI). The PSQI and resting state HRV data of 42 MCI participants (69.0 ± 5.5; 56–80 years) were analyzed. Nineteen of the participants reported poor sleep quality (PSQI score > 5). Good sleepers showed higher resting heart rate than bad sleepers ( p = 0.037; ES = 0.670). Correlation analysis showed a significant correlation between the parameter HF nu and sleep efficiency, contrasting the expected positive association between reduced HRV and poor sleep quality in healthy and individuals with specific diseases. Otherwise, there were no significances, indicating that measures of subjective sleep quality and resting HRV were not related in the present sample of MCI participants. Further research is needed to better understand the complex relationship between HRV and lifestyle factors (e.g., sleep) in MCI.

Keywords: heart rate variability; cardiac autonomic control; sleep; mild cognitive impairment; cardiovascular health (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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