Fall asleep quickly—and stay asleep. Each Rest tablet supplements Indica cannabis by both CBN, a sleepy-time cannabinoid, and melatonin, an adaptogen tied to sleep patterns. •5mg THC with 5mg CBN & 2mg melatonin per tablet •100mg THC with 100mg CBN & 40mg melatonin per package •20 servings. You can expect to feel the effects of our fast-acting cannabis in 15-45 minutes and caffeine generally within 15 minutes to one hour..