(16) also discovered the core genes related to Alzheimer’s disease (AD) and sleep disorders via gene module analysis, including ATP5A1, UQCRC2, ATP5B, UQCRC1, COX5A, SOD1, GAPDH, NDUFV2, NDUFA9, and NDUFS3 genes. The gene discussed is GAPDH; the disease is Alzheimer disease.