Curative Effect and Autonomic Nerve Function of Patients With Primary Insomnia of Liver Depression and Spleen Deficiency Type Based on the Acupoint Selection of Meridian Theory: Protocol for a Randomized Controlled Trial

This study integrates a traditional Chinese medicine framework with modern physiological measurements. The aim is to provide evidence for targeted acupuncture strategies by linking clinical improvement to autonomic nervous system balance and neurochemical changes and to elucidate potential mechanisms to provide a nondrug treatment option for insomnia.