Most cannabis users are aware that cannabis heals. It helps with pain, nausea and sleep. But do we ever wonder what exactly about the plant is causing these effects to be so effective? Because of the success in liberating the plant to date, the research and studies in the benefits that cannabis brings to our lives have only increased.
Cannabis has long been associated with relaxation and improved sleep quality, but scientific evidence on how specific cannabinoids influence sleep architecture is only now emerging. A recent study on cannabinol (CBN) and its active metabolite, 11-hydroxy-CBN (11-OH-CBN), sheds light on their distinct roles in promoting sleep. Unlike THC, which has psychoactive effects, CBN shows promise as a targeted sleep aid, offering a delayed but longer-lasting effect compared to conventional medications like zolpidem.
We will have a look at the key findings of the study, the broader relationship between cannabis and sleep, and the potential of cannabinoid-based therapeutics in addressing sleep disorders.
CBN and Sleep Architecture
What is CBN?
Cannabinol (CBN) is a naturally occurring, non-intoxicating cannabinoid derived from the degradation of tetrahydrocannabinol (THC). As cannabis ages or is exposed to heat and oxygen, THC breaks down into CBN, resulting in a compound with unique therapeutic properties. Unlike THC, CBN interacts with the body’s cannabinoid CB1 and CB2 receptors more mildly, offering subtle effects without causing a “high.”. CBN exhibits anti-inflammatory, antibacterial, and appetite-stimulating properties, making it a promising target for therapeutic applications. While not as well-known as THC or CBD, CBN’s emerging role in sleep and wellness underscores its growing significance in cannabinoid research and medicine.
Understanding Sleep Architecture
Sleep architecture refers to the cyclical structure of sleep, comprising distinct stages that the brain transitions through during a typical sleep cycle. These stages are categorized into two primary types: non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. NREM sleep is further divided into three stages (N1, N2, and N3), each representing varying depths of sleep. N1 is the lightest stage, where one drifts between wakefulness and sleep. N2 is a deeper, more stable stage, accounting for the majority of total sleep time, and plays a key role in memory consolidation. N3, often called slow-wave or deep sleep, is crucial for physical recovery, immune function, and growth. REM sleep, in contrast, is marked by vivid dreaming and heightened brain activity, resembling an awake state. This stage is vital for cognitive functions like learning, memory, and emotional regulation.
A typical sleep cycle lasts around 90 minutes, with the brain cycling through the NREM and REM stages multiple times throughout the night. Early cycles feature more NREM, particularly deep sleep, while REM sleep becomes more prominent in later cycles. Balanced sleep architecture ensures restorative sleep, enabling the body and mind to recover and function optimally. Disruptions to this architecture—such as insufficient REM or deep sleep—can lead to issues like fatigue, impaired memory, and reduced emotional resilience.
The study in a nutshell
Influence on Sleep Architecture:
CBN and 11-OH-CBN significantly alter sleep patterns by increasing both non-rapid eye movement (NREM) and rapid eye movement (REM) sleep. These biphasic effects initially suppress sleep before enhancing it over time, distinguishing CBN from other cannabinoids.
Mechanism of Action:
Both compounds interact with cannabinoid CB1 receptors, which are central to regulating sleep-wake cycles. 11-OH-CBN exhibits greater potency, suggesting its potential as a more effective sleep modulator due to its ability to be more bioavailable for the receptors.
Comparison to Traditional Sleep Aids:
Unlike zolpidem, which induces immediate sedation, CBN provides a delayed onset but longer-lasting sleep promotion. We also know that there are side effects that come with the traditional medication that has worse sleep effects in the long term for people. This difference may benefit individuals who struggle with maintaining sleep rather than initiating it. It can also help those who are dependent on the heavy sleeping aids come off them slowly by providing a more natural alternative.
Limitations and Considerations:
The biphasic effects of CBN refer to its dual-phase influence on sleep depending on the timing and dosage. Initially, CBN can suppress sleep onset or delay transitions into deeper sleep stages, which may seem counterintuitive for a sleep-promoting compound. However, as its effects progress, CBN enhances sleep architecture by increasing the duration and quality of both non-rapid eye movement (NREM) and rapid eye movement (REM) sleep. This biphasic nature means that its immediate effects differ from its long-term impact, highlighting the importance of dosing and timing when considering CBN as a therapeutic agent.
Long-term use may lead to tolerance, necessitating further research into sustainable treatment protocols.
Cannabis and Sleep: A Complex Relationship
Cannabis’s influence on sleep has been known anecdotally for centuries. However, its effects depend on several factors, including the cannabinoid profile, dosage, and individual physiology. THC is known to reduce the time it takes to fall asleep but may impair REM sleep with prolonged use, potentially disrupting long-term sleep quality. Unlike THC, CBD’s anxiolytic properties can indirectly promote sleep by reducing anxiety and enhancing relaxation, particularly in individuals with stress-related insomnia.
CBN has emerged as a non-psychoactive alternative for addressing sleep disorders. Its unique interaction with CB1 receptors and prolonged effects on sleep architecture position it as a potential therapeutic solution.
The Potential of Cannabinoid-Based Therapeutics for Sleep Disorders
The findings on CBN and its metabolite align with growing interest in cannabinoid-based treatments for sleep disorders like insomnia, sleep apnea, and restless leg syndrome. Here’s why cannabinoid therapeutics hold promise:
Targeted Relief:
Different cannabinoids target specific pathways, allowing for personalized treatment approaches. For example, THC may be beneficial for acute sleep onset, while CBD and CBN may address anxiety or sleep maintenance, respectively. Due to sensitivity to THC, not everyone will benefit greatly from the compound. Using CBN correctly can provide better relief in cases where THC or full-spectrum treatments would be overwhelming.
Reduced Side Effects:
Traditional sleep aids like benzodiazepines and non-benzodiazepine hypnotics (e.g., zolpidem) can lead to dependency, cognitive impairment, and daytime drowsiness. Cannabinoids offer a natural alternative with potentially fewer side effects when used responsibly. Of course Cannabis is one of many natural alternatives as a sleeping aid. It might not be the most effective one but it’s less harmful in the long term than something like zolpidem.
Broad Therapeutic Range:
Beyond sleep promotion, cannabinoids contribute to pain relief, anti-inflammation, and anxiety reduction, addressing the root causes of sleep disruption. Allowing for a more holistic healing approach. Many believe that medication in isolation is what has brought us here in the first place and ensuring that cannabis healing remains wholesome is important to many.
Future Innovations:
Advances in genetic research, as highlighted in previous blogs, may lead to strains or formulations optimised for specific sleep-related benefits, combining cannabinoids like CBN with terpenes known for sedative effects, such as myrcene and linalool. Great potential awaits as new discoveries allow us to produce better healing plants. I wonder, what are your thoughts on this blended approach of research and science with nature? Please comment below.
Looking Ahead: Challenges and Opportunities
While the study on CBN and 11-OH-CBN marks an exciting step forward, challenges remain:
Dosing and Delivery: Establishing the right dosage to harness the biphasic effects without adverse reactions.
Tolerance and Dependence: Understanding the long-term impact of CBN-based treatments to avoid diminishing returns. As it is known that the more you use cannabis your body builds a natural tolerance to it.
Regulation and Access: Navigating the legal landscape to make cannabinoid-based sleep aids widely available and standardised.
However, the potential benefits are undeniable. With more research, cannabinoids like CBN could revolutionize the treatment of sleep disorders, offering natural, tailored solutions that address both symptoms and underlying causes.
The study on CBN and its metabolite underscores the untapped potential of cannabis in medicine as a whole. This study is now starting human trials. It will be many more years before all the data can be compiled but from this initial work, we can already be excited about the therapeutic benefits of CBN and other cannabinoids we are yet to understand.
Reach us on WhatsApp