You are incorrect about the effects of CBD, in fact modern research has shown it's effect to be more stimulating and has been compared to ritalin by those with experience.
For more modern up to date science backed information on CBD see projectcbd.org
CBN is not a primary cannabinoid, it's a breakdown product of THC and simply indicates how old or stale the cannabis is. It's primary effect is grogginess and general unpleasantness so you want to avoid it as much as possible.
Any dispensary that says CBD is good for insomnia is simply repeating long disproven but widely spread information.
For more modern up to date science backed information on CBD see projectcbd.org
CBN is not a primary cannabinoid, it's a breakdown product of THC and simply indicates how old or stale the cannabis is. It's primary effect is grogginess and general unpleasantness so you want to avoid it as much as possible.
Any dispensary that says CBD is good for insomnia is simply repeating long disproven but widely spread information.