Submit manuscript...
Journal of
eISSN: 2374-6947

Diabetes, Metabolic Disorders & Control

Clinical Images Volume 9 Issue 2

Effect of a sleepless night combined with 2 cups of instant coffee on heart rate variability in an elderly man

Ivan Domuschiev

Endocrinologist, Department of Internal Diseases, Multiprofile Transport Hospital, Bulgaria

Correspondence: Ivan Domuschiev, Ph.D., Endocrinologist, Department of Internal Diseases, Multiprofile Transport Hospital, Plovdiv City, Bulgaria

Received: September 28, 2022 | Published: October 20, 2022

Citation: Domuschiev I. Effect of a sleepless night combined with 2 cups of instant coffee on heart rate variability in an elderly man. J Diab Metab Disorder. 2022;9(1):71-72. DOI: 10.15406/jdmdc.2022.09.00239

Download PDF

Abstract

Insomnia is harmful and has negative effects on the human body. Coffee is the most commonly used beverage to invigorate. Measurement of heart rate variability is the most accurate method for quantitative assessment of the sympatho-vagal balance of the autonomic nervous system, which determines adaptive capacity to stress. In our Case Report, after 1 sleepless night, the stress index rises and the sympathetic over parasympathetic prevails.

Keywords: Insomnia, Heart Rate Variability, sympatho-vagal balance, stress, stress index, coffee, elderly person

Introduction: The adequate sleep is very important for a person's health. The insomnia is harmful and has negative effects on the human body. In this aspect, it makes sense to investigate the impact of a completely sleep-deprived night on heart rate variability, as well as to measure the stress index.

Method: We used the "Kalenji" chest strap (it transmits the signals wirelessly via BLE Bluetooth) for heart rate recording. The "HRV Kubios" software was used for the analysis of HRV parameters.

Material: The HRV-parameters were measured in a 61-year-old man. He is 178 cm tall and weighs 75 kg (BMI = 24).The subject spent a night completely deprived of sleep, continuing to be awake the next day. On this day, this man consumes a total of 2 cups of instant coffee in 1 hour.1-10

The short term measurement (3 min.) of HRV - parameters was carried out 40 minutes after the consumption of the second cup of instant coffee at 14:00 in the afternoon under conditions of complete rest in a supine position.

Results: The obtained results of this measurement are presented in Figure 1, Figure 2 and Figure 3.

Figure 1 After insomnia.

Figure 2 After insomnia.

Figure 3 After insomnia.

For comparison, we also present the results obtained from the measurement of HRV parameters on another previous day in the morning at 8 hours after a good 7 h night's sleep under basal conditions (complete rest in a supine position) (Figure 1A, Figure 2A, Figure 3A).

Figure 1A After a quality sleep.

Figure 2A After a quality sleep.

Figure 3A After a quality sleep.

Conclusion: In our Report, after 1 sleepless night, the stress index rises (from 17.51 to 23.16) and the sympathetic over parasympathetic prevails (LF/HF ratio = 3.15). The readiness decreased from 63% to 32%.

Acknowledgments

None.

Conflicts of interest

None.

References

  1. Kai Spiegelhalder, Lena Fuchs, Johannes Ladwig, et al. Heart rate and heart rate variability in subjectively reported insomnia. Journal of Sleep Research. 2011;20(1Pt2):137–145.
  2. FangSC, Huang CJ, Yang TT, et al. Heart rate variability and daytime functioning in insomniacs and normal sleepers: Preliminary results. J Psychosom Res. 2008;65:23–30.
  3. Chalmers T, Hickey BA, Newton P, et al. associations between sleep quality and heart rate variability: Implications for a biological model of stress detection using wearable technology. Int J Environ Res Public Health. 2022;19(9):5770.
  4. Farina B, Dittoni S, Colicchio S, et al. Heart rate and heart rate variability modification in chronic insomnia patients. Behav Sleep Med. 2014;12(4):290–306.
  5. Sajjadieh A, Shahsavari A, Safaei A, et al. The association of sleep duration and quality with heart rate variability and blood pressure. Tanaffos. 2020;19(2):135–143.
  6. Tobaldini E, Nobili L, Strada S, et al. Heart rate variability in normal and pathological sleep. Front Physiol. 2013;4:294.
  7. Flueck JL, Schaufelberger F, Lienert M, et al. Acute effects of caffeine on heart rate variability, blood pressure and tidal volume in paraplegic and tetraplegic compared to able–bodied individuals: a randomized. Blinded trial. Plos One. 2016;11(10):e0165034.
  8. Porto AA, R Benjamim CJ, Gonzaga La, et al. Caffeine intake and its influences on heart rate variability recovery in healthy active adults after exercise: A systematic review and meta–analysis. Nutrition, Metabolism and Cardiovascular Disease. 2022;32(5):1071–1082.
  9. Mendes de Oliveira RA, Araújo LF, de Figueiredo RC. Coffee consumption and heart rate variability: the brazilian longitudinal study of adult health (elsa–brasil) cohort study. Nutrients. 2017;9(7):741.
  10. Corti R, Binggeli C, Sudano I, et al. Coffee acutely increases sympathetic nerve activity and blood pressure independently of caffeine content: role of habitual versus nonhabitual drinking. Circulation. 2022;106(23):2935–2940.
Creative Commons Attribution License

©2022 Domuschiev. This is an open access article distributed under the terms of the, which permits unrestricted use, distribution, and build upon your work non-commercially.