A review examines how cannabinoids modulate sleep through interactions with the endocannabinoid system, highlighting their potential as sleep aids and the complexity of their effects.
Sleep medicine specialists, cannabis users seeking sleep relief, pharmacologists, and neuroscientists.
Varied sleep effectsDifferent cannabinoids (THC, CBD, CBN) show distinct effects on sleep architecture and quality
What the researchers found
Cannabinoids interact with sleep regulation through the endocannabinoid system, with different cannabinoids (THC, CBD, CBN) showing varied effects on sleep architecture, onset, and quality.
Why it matters
Sleep disorders affect a significant portion of the population, and current treatments have notable side effects. Understanding how cannabinoids modulate sleep could lead to new, potentially better-tolerated sleep interventions.
The numbers in context
The review covers effects of multiple cannabinoids on sleep across the animal kingdom, including impacts on homeostasis, alertness, metabolism, cognition, and memory.
How the study worked
Review article synthesizing evidence on cannabinoid effects on sleep regulation and architecture.
Who was studied
Preclinical and clinical studies on cannabinoid effects on sleep.
What this study cannot tell us
Evidence quality varies across cannabinoids; most human studies are small; long-term effects of cannabinoid sleep aids are poorly studied; individual variation in response is significant.
How to read the evidence
Review of mixed-quality evidence; some cannabinoids have more data than others.
When this study was published
Recent review capturing growing interest in cannabinoid sleep therapeutics.
The bigger picture
The endocannabinoid system is increasingly recognized as a key regulator of sleep-wake cycles, and targeting this system could provide alternatives to traditional sleep medications.
Replication
Builds on growing literature linking the endocannabinoid system to sleep regulation.
Funding
Not specified
Conflicts of interest
Not specified
Questions still open
- Which cannabinoid is most effective for sleep?
- Does chronic cannabinoid use disrupt natural sleep architecture?
- How do cannabinoid effects on sleep differ from traditional sleep aids?
Read the original research
Cannabinoids: Emerging sleep modulator.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 165, 115102
Citation
Low, Zhen Xuen Brandon; Lee, Xin Ru; Soga, Tomoko; Goh, Bey Hing; Alex, Deepa; Kumari, Yatinesh. (2023). Cannabinoids: Emerging sleep modulator.. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 165, 115102. https://doi.org/10.1016/j.biopha.2023.115102