"Italian scientist Vicenzo DiMarzo summarized the broad regulatory function of the endocannabinoid system in the phrase “Eat, sleep, relax, protect and forget.”
How we fall asleep, stay asleep, wake up, and remain awake is part of an internal biological process regulated by our circadian rhythms and our endocannabinoid system. Circadian rhythms govern a diverse array of actions in the body, including hormone production, heart rate, metabolism, and when to go to sleep and wake up."
-Nishi Whitely ProjectCBD.org
While urban legend believed CBN to be responsible for cannabis' sleepy potentials, has since been proven unrelated. As regular consumers of SKMS Sleep Chocolates and Recharge Capsules attest for years though, cannabis medicine certainly can be consistently sleepy, in fact far more consistent, virtually unfailing, compared to conventional over the counter or prescribed sleep assistant medications. As a primary product advantage beyond performance- people generally wake rested, unlike most pharmaceutical induced sleep experiences which tend to sedate without healing or rest.
You can read more about how sleep possibly plays the leading role in our culture's health challenges, can prevent or enable illness, how cannabis and the endocannabinoid system assist and manage sleep and prevent these health risks at the projectCBD.org article link below.