CBN is a cannabinoid that occurs from the oxygenation and decomposition of THC. That’s why it’s most commonly found in aged cannabis plants and almost never on hemp that hasn’t flowered. CBN comes from stale cannabis and the breakdown of THC molecules. Until recently, most people believed CBN to be a waste by-product, unworthy of further examination. That all changed after a study, which showed that CBN could be THE most sedative of all cannabinoids. The discovery led to a renewed interest in the therapeutic effects of CBN and its role in regulating the endocannabinoid system.