I know that heart rate tends to be increased among those with chronic insomnia, and that impaired parasympathetic tone has been linked to insomnia, but can't seem to find any evidence that there is a relationship between insomnia and heart rate recovery (which is an indicator of parasympathetic tone). Any information or thoughts?
According to theoretical expectations (8derived from the hyperarousal model) one would expect heart rate to decrease with improvement of insomnia, but me too, I am not aware of any empirical data rpovong this. It seems, that up to now nobody has publsihed data looking at heart rate prior to and post treatment.
Article Heart rate and heart rate variability in subjectively report...
Is there any correlation between heart rate decrease and longevity increase?
Thanks, Dieter. I also am not aware of any studies that look at this (obviously!!). The article by Spiegelhalder does provide some interesting background, and contributes significantly to the theoretical framework of my study.
Maurice - a study by Jolly et al. (2011) looked at the prognostic value of HRR among patients in cardiac rehabilitation. Indeed, they found that abnormal HRR (usually considered to be less than or equal to 12bpm) was predictive of all cause mortality. Numerous studies have also found that abnormal HRR has been shown to predict mortality. What is interesting is that I can find an abundance of literature on the prognostic value of HRR (and resting HR for that matter), and on the effects of insomnia on the heart - it is considered to be a risk factor for the development of cardiovascular disease and for myocardial infarction - but can't seem to find any research that links HRR values to Insomnia.
My current research (we are just in the process of collecting data) is hoping to provide this link. I'll be looking at resting HR and HRR in cardiac rehabilitation patients at entry and exit exercise stress tests. It is very similar to what Jolly and his colleagues did, but will be adding in symptoms of Insomnia (using the insomnia severity index). I'm hoping to find that elevated ISI scores will be associated with lower HRR. Further, I'm hoping that a positive change in ISI scores over the 3 month cardiac rehabilitation program will be associated with an increase in HRR at exit exercise stress testing. Symptoms of insomnia are extremely common among the cardiac rehabilitation population, so it should be interesting to see what comes of this.
Does anyone have any thoughts, or maybe some more information?
Here is the study by Jolly (2011). Forgot to attach!
Article Impact of Exercise on Heart Rate Recovery
@Kristin Jean Horsley, Will you interested in my articles? If use acupuncture or energy healing to treat, insomnia was gone, the heart rate is normal too.
https://universaltcm.com/insomnia-causes/
https://www.amazon.com/dp/1517705088
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