The Herbarium · Cannabinoids
CBN
Cannabinol · cannabinoid
Read the whole evening blend.
Plant wisdom · evidence at a glance
Potential benefits
What researchers have found, how strong the evidence is, and where questions remain. Findings apply to the preparation studied—not automatically to products on our shelves.
Human research · preliminary
Fewer nighttime awakenings
A short randomized trial found fewer awakenings and lower overall sleep disturbance with CBN. It did not show a significant improvement in its primary sleep-quality outcome, time to fall asleep, or daytime fatigue. Benefits may be narrower than the phrase sleep aid suggests.
Human research · formulation-specific
Self-reported sleep quality
Another trial found improved self-reported sleep scores with particular CBN formulations. These results do not establish a universal effect or a treatment for insomnia; product composition and study limitations matter.
Open the field notes
CBN is short for cannabinol. It is a different compound from CBD and is often featured in products marketed for nighttime routines. The presence of CBN alone does not explain everything about a finished blend.
On the apothecary shelf
Look beyond the word nighttime. Check the CBN amount, any CBD or THC, and ingredients such as melatonin or other botanicals. Those additions change what you are comparing, even if two packages feature the same cannabinoid on the front.
Into the research library
Follow the scholarship behind the curiosity. These peer-reviewed papers examine specific ingredients or preparations—not TOP products. Human trials, research reviews, and preclinical studies answer different questions. A link is not a promise of benefit or a recommendation to treat a condition.
Human randomized trial
CBN with and without CBD for sleep ↗Bonn-Miller MO et al. · Exp Clin Psychopharmacol · 2024 Jun · PMID 37796540
Human randomized trial
Proprietary CBN formulations, melatonin, and sleep ↗Kolobaric A et al. · Pharmaceuticals (Basel) · 2024 Jul 24 · PMID 39204082
Narrative evidence review, published before newer trials
CBN and sleep: separating claims from evidence ↗Corroon J · Cannabis Cannabinoid Res · 2021 Oct · PMID 34468204
Human randomized formulation trial
Comparing cannabinoid formulations for sleep ↗Saleska JL et al. · J Am Nutr Assoc · 2024 Jan · PMID 37162192
Read each paper's methods, limitations, funding, and conflict-of-interest disclosures. Animal and cell findings do not establish benefits in people; a review may include the same trials as another review. PubMed links provide abstracts and full-text links where available.
Sources & further reading
Cannabis compounds and chemistry: research review ↗These independent references inform our educational notes. They are not endorsements of TOP or of any product. Notes reviewed October 31, 2026.
For adults 21+. Educational information, not medical advice. Our team can help you read labels and locate lab reports. A qualified health professional should advise on medicines, health conditions, pregnancy, or breastfeeding. Ask a veterinarian before using any product with a pet. Availability varies; an educational page does not mean an ingredient is currently in stock.