Key Takeaways
- Chronic insomnia increases the risk of developing a substance use disorder by approximately two to three times, as individuals often turn to alcohol, sedatives, or cannabis to induce sleep.
- Most substances that are used as sleep aids actually worsen sleep quality by disrupting natural sleep architecture, particularly suppressing restorative REM and deep sleep stages.
- Untreated insomnia during early recovery is one of the strongest predictors of relapse, underscoring the importance of addressing sleep as a core component of addiction treatment.
- Evidence-based approaches including CBT for insomnia, sleep hygiene optimization, and non-addictive sleep medications can restore healthy sleep patterns without reliance on substances.
The Bidirectional Relationship Between Insomnia and Addiction
Insomnia and addiction exist in a bidirectional relationship where each condition amplifies the other. Individuals with chronic insomnia are significantly more likely to develop substance use disorders as they seek chemical solutions to their sleep difficulties. Conversely, chronic substance use profoundly disrupts the neurobiological systems that regulate sleep, creating or worsening insomnia that may persist for months or years into recovery.
This relationship is not merely behavioral but reflects deep neurochemical connections. The neurotransmitter systems that regulate sleep, including GABA, adenosine, orexin, and serotonin, overlap extensively with the systems affected by addictive substances. When substances alter these shared pathways, sleep disruption is an inevitable consequence.
At Trust SoCal in Orange County, our medical team assesses sleep quality as a fundamental component of addiction treatment. We recognize that failing to address insomnia during recovery is a recipe for relapse, and our integrated approach ensures that sleep restoration receives the clinical attention it deserves.
How Substances Disrupt Sleep
While many substances are used specifically for their perceived sleep-promoting properties, the reality is that most drugs and alcohol fundamentally compromise sleep quality even when they appear to facilitate sleep onset. Understanding how different substances affect sleep architecture helps explain why sleep problems often persist or worsen with continued substance use.
Alcohol and Sleep
Alcohol is the most commonly used sleep aid in the United States, with an estimated 20 percent of adults using it to help them fall asleep. While alcohol does reduce sleep onset latency, it dramatically disrupts sleep architecture during the second half of the night. As blood alcohol levels fall, rebound arousal occurs, producing fragmented sleep, vivid dreams, and early morning awakening.
Chronic alcohol use suppresses REM sleep, the stage critical for emotional processing and memory consolidation. When alcohol is discontinued, REM rebound produces intensely vivid and often disturbing dreams that further disrupt sleep. This withdrawal-related insomnia can persist for weeks to months and is a significant driver of relapse.
Opioids and Stimulants
Opioids disrupt sleep by suppressing deep sleep stages, causing respiratory depression that fragments sleep through repeated micro-awakenings, and producing central sleep apnea in many chronic users. Stimulants including cocaine, methamphetamine, and prescription amphetamines directly counteract sleep-promoting mechanisms, often producing severe insomnia during active use followed by hypersomnia during withdrawal.
Cannabis, while commonly perceived as a sleep aid, also disrupts natural sleep architecture. THC suppresses REM sleep and, with chronic use, loses its sleep-promoting effects as tolerance develops. Cannabis withdrawal is frequently accompanied by severe insomnia and vivid dreams that can last for weeks.
Insomnia as a Relapse Risk Factor
Research has consistently identified insomnia during early recovery as one of the strongest predictors of relapse. A landmark study in the Journal of Addiction Medicine found that individuals with persistent insomnia in early recovery were more than twice as likely to relapse compared to those with normalized sleep patterns. This finding has been replicated across multiple substances and treatment settings.
The mechanism connecting insomnia to relapse involves both biological and psychological pathways. Sleep deprivation impairs prefrontal cortex function, compromising the decision-making and impulse-control capacities that are essential for maintaining sobriety. It also amplifies emotional reactivity, intensifies cravings, and reduces the effectiveness of coping strategies learned in treatment.
These findings make a compelling case for treating insomnia as a primary target in addiction recovery, not a secondary concern to be addressed after sobriety is established. At Trust SoCal, we integrate sleep assessment and treatment from the beginning of each client's program.
If you are in early recovery and experiencing significant insomnia, it is important to address this with your treatment team rather than attempting to self-medicate with over-the-counter sleep aids, alcohol, or other substances.
Evidence-Based Approaches to Sleep in Recovery
Cognitive-behavioral therapy for insomnia, known as CBT-I, is considered the gold standard for treating chronic insomnia and is particularly appropriate for individuals in addiction recovery because it does not involve medications with abuse potential. CBT-I addresses the thoughts, behaviors, and habits that perpetuate insomnia through a structured, time-limited protocol that typically produces lasting improvements within four to eight sessions.
Sleep hygiene education, while insufficient as a standalone intervention for chronic insomnia, provides an important foundation. Consistent sleep and wake times, a cool and dark sleep environment, avoidance of caffeine after noon, and elimination of screens before bedtime create conditions conducive to natural sleep onset.
- CBT-I: restructures sleep-related cognitions and eliminates counterproductive sleep behaviors
- Sleep restriction therapy: temporarily limits time in bed to consolidate sleep and build sleep drive
- Stimulus control: re-associates the bed with sleep rather than wakefulness and frustration
- Relaxation training: progressive muscle relaxation and body scan meditation reduce physiological arousal
- Non-addictive medications: trazodone, hydroxyzine, or melatonin may supplement behavioral approaches when indicated
Restoring Sleep at Trust SoCal
Trust SoCal in Orange County incorporates comprehensive sleep assessment and treatment into our addiction recovery programming. Our medical team evaluates each client's sleep history, identifies substance-related and independent sleep disorders, and develops individualized treatment plans that address sleep restoration alongside addiction recovery.
Our structured daily schedule supports circadian rhythm normalization through consistent wake times, regular physical activity, exposure to natural light, and evening routines designed to promote relaxation. Clients learn practical sleep skills that they carry with them into independent recovery, building a foundation of restorative sleep that supports long-term sobriety.
If insomnia is complicating your recovery or preventing you from seeking treatment, call Trust SoCal at (949) 280-8360. Restoring healthy sleep is not a luxury in recovery; it is a medical necessity.
Most individuals in recovery see significant improvement in sleep quality within the first two to four weeks of sobriety when supported by proper sleep hygiene and behavioral interventions. Patience during this adjustment period is essential.

Rachel Handa, Clinical Director
Clinical Director & Therapist




