Sino-European Transcontinental Basic and Clinical High-Tech Acupuncture Studies—Part 2: Acute Stimulation Effects on Heart Rate and Its Variability in Patients with Insomnia
Figure 6
Ratio of the LF (low-frequency) and HF (high-frequency) band of HRV in the 28 patients before, during, and after needle stimulation. No significant alterations were found. For further explanation, see Figure 2.