Delta-9-tetrahydrocannabinol, the primary psychoactive cannabinoid in Cannabis sativa, acting as a partial agonist at CB1 receptors; used medically for chronic pain, chemotherapy-induced nausea, appetite stimulation, and spasticity. Subject to legal restrictions varying by jurisdiction.
Difficulty falling asleep, staying asleep, or poor sleep quality. Insomnia affects ~30% of adults.
Also known as: THC, Delta-9-tetrahydrocannabinol, Marijuana, Cannabis sativa
Every published result for this pair, extracted and audited.
Research volume over time for Cannabis (THC) × sleep issues. Structured outcome extraction (direction, effect size) for this pair is in progress - the full analytics will appear here once audited.
Hand-selected PubMed studies, linked to the originals.
Ordered by strength of evidence, then result direction.
01Cannabis-Based Products for Chronic Pain : An Updated Systematic ReviewChou R, et al. · Annals of internal medicine · 2026PMID 41429020 ↗02The effects of oral cannabidiol supplementation on blood pressure in adults: a systematic review of randomised controlled trialsRoberts A, et al. · Journal of cannabis research · 2026PMID 42321899 ↗03Dysregulation of melatonin rhythm in Parkinson's and Huntington's disease: a systematic review and meta-analysisSuram RP, et al. · Frontiers in aging neuroscience · 2025PMID 41143249 ↗04Effectiveness of Cannabidiol to Manage Chronic Pain: A Systematic ReviewMohammed SYM, et al. · Pain management nursing : official journal of the American Society of Pain Management Nurses · 2024PMID 37953193 ↗05Be the first to share what you noticed with Cannabis (THC) for sleep issues. How we calculate this.