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

<table>Changes in total heart rate variability (HRVtotal) before, during, and after needle stimulation at the Shenmen acupoint. For further explanation, compare with Figure <a href="../fig3/">3</a>.</table>

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Figure 4

Figure 4: 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 4 | 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 