Used in research settings to quantify levels of Orexin-A (also known as Hypocretin-1) in biological samples such as cerebrospinal fluid, plasma, or cell culture supernatants. This kit is particularly valuable in neuroscience and sleep disorder studies, especially for investigating narcolepsy, where Orexin-A deficiency is a key biomarker. The assay enables high sensitivity and specificity detection, supporting studies on sleep-wake regulation, energy homeostasis, and neurodegenerative conditions. It is not intended for diagnostic use but serves as a critical tool in preclinical research and drug development targeting the orexin system.