ETHNOPHARMACOLOGICAL RELEVANCE: Sleep deprivation is a growing public health burden linked to neuroinflammation, oxidative stress, and neurodegeneration. While conventional hypnotics provide transient relief, their long-term use is limited by tolerance and adverse effects. Guhan Yangsheng Jing (GHYSJ), a classical multi-herbal prescription from traditional Chinese medicine, has been clinically used to relieve insomnia and fatigue, yet its neuroprotective mechanisms remain unclear. OBJECTIVE: Thi...