Sleep disturbance is both a common consequence of substance use and withdrawal and an independent risk factor for relapse, with cannabis withdrawal showing measurable effects on both subjective and objective sleep measures.
Read this if you have trouble sleeping when you stop using cannabis or other substances.
Sleep disruption both results from and promotes substance use relapse
What the researchers found
This review examined the bidirectional relationship between sleep disorders and substance use. For cannabis specifically, research had progressed beyond subjective reports to demonstrate that marijuana withdrawal produces measurable changes on objective sleep measures including polysomnography and actigraphy.
The review highlighted an interactive effect: substance use disrupts sleep through direct effects on neurotransmitter systems regulating the sleep-wake cycle, while poor sleep during withdrawal increases relapse vulnerability. Treatment studies had focused primarily on alcohol use disorders, with therapies for insomnia in cannabis disorders identified as a significant gap.
Why it matters
Sleep disturbance is one of the most frequently reported symptoms of cannabis withdrawal and one of the longest-lasting. Understanding it as both a consequence and a risk factor for continued use has implications for treatment design.
The numbers in context
No specific statistics were reported. The review identified cannabis withdrawal sleep research as a growing field and insomnia treatment for cannabis disorders as a gap.
How the study worked
Narrative review of recent research findings on sleep disturbance in substance use disorders, with emphasis on alcohol and cannabis. Covered neurobiological mechanisms, clinical findings, and treatment approaches.
What this study cannot tell us
Narrative review without systematic methodology. Treatment evidence was largely limited to alcohol disorders. The specific mechanisms by which cannabis withdrawal disrupts sleep were not fully characterized.
How to read the evidence
Narrative review of a growing evidence base, highlighting the bidirectional sleep-substance use relationship.
When this study was published
Published in 2014.
The bigger picture
The recognition that sleep disruption actively promotes relapse suggests that treating sleep problems should be integrated into substance use treatment rather than treated as a secondary symptom. This is particularly relevant for cannabis, where sleep disturbance can persist for weeks after cessation.
Questions still open
- Would treating insomnia during cannabis withdrawal improve quit rates? Are sleep-focused interventions more effective than general withdrawal management for cannabis cessation? How long do sleep disturbances persist after quitting cannabis?
Common questions
Does quitting cannabis affect sleep?
Can poor sleep cause relapse?
Read the original research
Sleep and substance use disorders: an update.
Current psychiatry reports, 16(10), 487
Citation
Conroy, Deirdre A; Arnedt, J Todd. (2014). Sleep and substance use disorders: an update.. Current psychiatry reports, 16(10), 487. https://doi.org/10.1007/s11920-014-0487-3
Explore the wider topic
- 30 Days Without Weed: What I Learned
- 6 Months Without Weed: What Nobody Tells You
- 90 Days Weed Free: The Real Long-Term Benefits
- Benefits of Quitting Weed: What Changes After 30, 60, 90 Days
- Quitting Weed and Boredom: The Hardest Part
- The Boredom Problem: Why Nothing Feels Fun After Quitting Weed
- Cannabis and Sleep: Does It Actually Help or Just Mask the Problem?
- Creativity After Quitting Weed: What Actually Happens
- Finding New Hobbies After Quitting Weed
- How to Sleep Without Weed: 12 Methods That Actually Work
- The Stoner Identity Crisis: Who Am I Without Weed?
- Leaving Stoner Culture Behind: Rebuilding Your Identity After Weed
- Can You Take Melatonin During Weed Withdrawal?
- Money Saved Quitting Weed: The Real Numbers
- Nightmares After Quitting Weed: Why They Happen and When They Stop
- One Year Without Weed: Reflections on What Actually Changed
- Quitting Weed and Creativity: Will I Lose My Spark?
- Does Quitting Weed Change Your Face?
- Quitting Weed and Weight Changes: Why Some People Lose and Others Gain
- The Complete Sleep Recovery Timeline After Quitting Weed
- THC and REM Sleep Rebound: Why Your Dreams Go Wild When You Quit
- Weed Withdrawal Dreams: Why Your Dreams Are So Vivid and Intense
- Weed Withdrawal Insomnia: Why You Can't Sleep and What Actually Helps
- Why Does Weed Make You Sleepy? THC and Your Sleep-Wake Cycle
- THC and Melatonin: Can You Combine Them for Sleep
- Using Weed to Sleep Every Night: What Happens Long-Term
- Sleep Hygiene for Cannabis Users: Building Better Sleep While You Still Use
- Cannabis and Sleep Architecture: How THC Changes Deep Sleep, Light Sleep, and REM
- Night Sweats After Quitting Weed: Why They Happen and How Long They Last
- Weed and Your Circadian Rhythm: How Cannabis Disrupts Your Body Clock