
Keywords: Orexin; Hypocretin; Phospholipase; Endocannabinoid; Ion fluxes; 2-AG; 2-arachidonoylglycerol; AA; arachidonic acid; anandamide; N-arachidonoylethanolamine; CNS; central nervous system; cPLA2 and iPLA2; cytosolic (Ca2+-dependent) and intracellular (Ca2+-in