For hundreds of thousands of individuals, cannabis has turn into The unofficial recipe for lost sleep. But what looks like an answer can quietly make the issue worse.
Consider these two cases:
She is 15 years old and has been in bed for the past hour. It is past midnight, and his mind won’t rest. Her school bus arrives at 6:20 a.m. She’s getting restless, knowing she has to get up in six hours. He did all the precise things: turned off his phone at 10 p.m., tried. Melatonin. So tonight she tries something a friend really useful: a cannabis gum. Within 20 minutes, she is asleep.
He’s 34, a veteran who served two tours and has struggled with sleep since coming home. It takes him two hours to go to sleep, and when he does, he wakes up with nightmares. He hasn’t slept greater than three hours an evening in months, and it’s catching up with him. His friend swears cannabis helped him, and with a six-month waiting list for a sleep consultation on the Veterans Affairs Medical Center and a cannabis dispensary six blocks away that is open until 10 p.m., the choice doesn’t seem complicated.
Both will inform you that cannabis works for his or her specific needs. They are usually not mistaken in any respect. But nobody told them what actually happens contained in the brain when the lights go on. It’s complicated, and for them – as for a lot of others – it’s ultimately a trap.
As a neurologist specializing in sleep and mental performanceI’m writing this not as someone against cannabis, but as someone who frequently sees patients whose sleep has quietly disappeared after months or years of use, especially teenagers and veterans.
I consider the general public deserves a more complete picture due to the limited research available.
Why the adolescent brain is particularly vulnerable.
From early teens to mid-20s, The mind is actively under construction.clearing weak or redundant connections and strengthening circuits liable for Judgment, emotion regulation and the stress response.
Tetrahydrocannabinol, or THCThe psychoactive component of cannabis, interferes with this process. Acting directly on The endocannabinoid systemone among the first regulatory networks guiding it.
A 2021 brain imaging study of 799 adolescents found that cannabis use was dose-dependent. Thinning of the cerebral cortex – That is, the more cannabis a teenager uses, the thinner their prefrontal cortex becomes. The prefrontal cortex is the region of the brain liable for Decision, decision making and impulse control. Thinning of the cortex Increased impulsivity on this region has been related to poor decision-making and reduced inhibitory control.
Another rarely discussed factor is how puberty affects sleep. Hormonal changes in adolescence and changes in brain maturation The internal biological clock, known as the circadian rhythm.to a later sleep schedule.
And teenagers are removed from alone. A 2025 study found that greater than 1 in 5 young adults within the U.S. Use cannabis or alcohol to help you sleep.. For teens who’re already sleep-deprived and facing the beginning of elementary school, cannabis might be their nighttime fix.
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What is cannabis doing when you sleep?
Sleep will not be passive. It is well organized, purposeful and fundamental to our physical and mental health.
every night, The brain goes through different stages.each serving a selected function. All stages of sleep are vital, but an important is REM sleep, the dreaming stage. This is when the mind Acts on the emotional weight of the day., Locks in learning and resets brain circuits that control mood, judgment and resilience.
THC has a sedative effect at low doses but is stimulant at high doses. Cannabis also includes other things. Cannabinoids – Plant-derived compounds similar to CBD and CBN that interact with a system within the body that produces its own cannabinoids and Contributes to sedative effects. of hemp.
This is where it gets complicated.
THC helps people go to sleep faster, but This effect wears off quickly As the body adapts to regular use. The same mucus that when helped someone go to sleep quickly does. He More is needed to achieve the same effect.
Also, falling asleep early will not be the identical as sleeping well. A 2025 review of research so far found that cannabis doesn’t consistently improve sleep overall, including how long people sleep or What a peaceful sleep.
In a separate study, chronic every day users spent significantly longer. Night waking and less restful sleep Compared to non-users; Another study reported using cannabis at bedtime had similar effects.
In other words, the subjective feeling of higher sleep doesn’t match What brain recordings show..
When comfort becomes trust.
Many individuals are currently using cannabis not because it really works well, but because Stopping feels worse.
Even when chronic cannabis users have abstinence, they often experience it. Brutal withdrawal symptoms They are more intense than what attracted them to cannabis in the primary place. Sleep disturbances, including insomnia and disturbing dreams, are described as A common symptom of cannabis withdrawal. In addition, two-thirds of users report other symptoms similar to restlessness, depressed mood, restlessness, irritability, lack of appetite or a mixture of those symptoms. Often persists for weeks after stopping use..
gave Return pain Makes many individuals proceed to make use of it.
It’s a trap – it’s silent and insidious, making it hard to see.
Cannabis works well enough to feel like an answer. Night after night it dulls the issue without solving it, not even imagining stopping. When one finally tries to quit, one’s sleep is interrupted. So they return. The root reason for their insomnia has not been identified or treated, and it has not gone away.
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Veterans and the necessity for long-term rehabilitation
A developing mind is a type of weakness. A traumatized mind is one other.
Post-traumatic stress disorder affects one estimate. 12% to 23% of post-9/11 veteransin comparison with 6% to eight% of the final population. Sleep disturbances affect 70% to 90% of military personnel with PTSD. People with PTSD normally have Nightmares that are visceral, relentless, and exhausting.. They may get up several times an evening with a pounding heart for years.
As a result, many veterans Turn to cannabis to help them sleep.. It’s comprehensible, especially when it may possibly take. Weeks or months to meet With a mental health skilled.
But the statistics on outcomes for veterans are sobering. He with Cannabis use disorder – That is, cannabis users struggle to manage despite the negative consequences, that are almost at all times affected. 4 veterans in 1 Those who use cannabis non-medically. High rates of depression, anxiety and suicidal thoughts And answer loads Worse for evidence-based PTSD treatment.
And then there may be a comeback. When an experimenter tried to stop, the identical symptoms that looked as if it would silence cannabis. Roaring in potentially dangerous ways. – Insomnia and nightmares, worsening depression and in some cases suicidal thoughts.
Because these withdrawal symptoms so closely mirror PTSD itself, many experiencers interpret the return of symptoms as a worsening of their condition, not a withdrawal, so that they return to cannabis. And the chain goes on.
What actually works, and why it is so hard to attain.
Cognitive behavioral therapy for insomnia, or CBT-I, is taken into account a first-line treatment for persistent insomnia. Research shows that Beats every sleep drug, including cannabis..
It works by therapy Changing sleep habitsregulating sleep-wake schedules, reducing arousal and removing unhelpful beliefs about sleep. A type of treatment often known as Imagery rehearsal therapythrough which patients rewrite the story of a recurring nightmare and mentally rehearse the new edition while awake, have been shown to Effective for veterans With nightmares related to the trauma. But trained CBT-I providers are few, wait times long.and most primary care settings don’t offer it.
In other words, those most in danger for sleep-related harm from cannabis use are those that access treatment that addresses the underlying problem, and are most definitely to turn into trapped in a negative cycle.
For people who find themselves already stuck on this cycle, suddenly quitting rarely works and infrequently makes things worse. Research shows that CBT-I can reduce each insomnia and cannabis use at the identical time – treating the foundation problem in order that cannabis is not any longer needed.
Sleep is the inspiration upon which memory, mood, judgment and recovery are built.
The 15-year-old who cannot sleep and the veteran who wakes up gasping at 3 a.m. each deserve evidence-based details about what is going on on of their brains and real access to care that treats the underlying cause.