Mental Health DailyResearch. Evidence. Perspective.Published research on heart rate variability.
Heart surgery patients who slept poorly around their operation had lower heart rate variability before surgery and on each of the next 3 days, according to a 2026 study of 95 adults in China…
Read articleA 2026 EEG-ECG preprint reported that beta efficiency-sympathetic coupling differed across healthy young adults, healthy older adults, and Parkinson’s disease patients, p = 0.0032, while gam…
Read articleA 2026 review of 52 studies found that chronic primary pain is linked to several physiological stress markers, especially cortisol, heart rate, heart-rate recovery, and mean arterial pressur…
Read articleA 2026 ECG analysis involving 269 healthy young adults found that sex differences in resting heart-rate dynamics appeared in very short 2-5 second fluctuations, not in the usual 5-minute hea…
Read articleIn the quest to understand anxiety disorders more profoundly, scientists have turned to the rhythms of the heart, specifically heart rate variability (HRV), for answers. By employing wearabl…
Read articleOn a mission to reduce the amount of anxiety in my life, I initially resorted to antidepressants. When I first started them, I unknowingly thought that they’d cure my condition and allow me …
Read articleMany people are familiar with making lifestyle changes for self-improvement. In recent years, a concept called “biohacking” has emerged and taken the concept of personal development to a new…
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