Abstract
Background: Insomnia is highly prevalent in patients with substance use disorders (SUD), and it has been related to a worse course of addiction. Insomnia during detoxification in a hospital has not been adequately studied. This study aims to compare sociodemographic, clinical, and psychopathological characteristics of SUD patients undergoing a detoxification program, by comorbidity and insomnia symptoms.Methodology: We recruited 481 patients who received pharmacological and psychotherapeutic treatment for detoxification. They were evaluated through semi-structured interviews, standardized questionnaires, and a specific sleep log. A bivariate and multivariate analysis of the data was performed.Results: Insomnia was reported by 66.5% patients, with sleep-maintenance insomnia the most frequent issue, followed by early morning awakening and sleep-onset insomnia. Patients with alcohol use disorder and cannabis use disorder had higher prevalence of sleep-onset insomnia. Patients with cocaine and heroin use disorder had higher prevalence of sleep-maintenance insomnia. Independent factors that allowed the identification of insomnia symptoms included being female (OR: 3.43), polysubstance use (OR: 2.85), comorbid anxiety disorder (OR: 2.02), and prior admission for detoxification (OR: 1.22).Conclusions: Insomnia symptoms are very prevalent in patients admitted for detoxification. The diagnosis and therapeutic strategies for the insomnia symptoms should be improved, especially in women and in patients with greater addiction severity and with anxiety disorders.
Highlights
Insomnia has been defined as a sleep disorder characterized by difficulty with sleep initiation, duration, consolidation, or quality that occurs despite circumstances favorable for sleeping
Alcohol use disorder is the problem most studied regarding insomnia symptoms, and the rates described for those patients are between 30 and 60% [20,21,22]
This study aimed to compare sociodemographic, clinical, and psychopathological characteristics of substance use disorders (SUD) patients undergoing a detoxification program according to the presence/absence of insomnia symptoms
Summary
Insomnia has been defined as a sleep disorder characterized by difficulty with sleep initiation, duration, consolidation, or quality that occurs despite circumstances favorable for sleeping. Alcohol use disorder is the problem most studied regarding insomnia symptoms, and the rates described for those patients are between 30 and 60% [20,21,22]. Sleep in this population is influenced by numerous substance use-related factors, such as type and amount of drug used, duration of addiction, route of administration, state of intoxication or withdrawal, and simultaneous consumption of stimulants and depressants. Insomnia is highly prevalent in patients with substance use disorders (SUD), and it has been related to a worse course of addiction. This study aims to compare sociodemographic, clinical, and psychopathological characteristics of SUD patients undergoing a detoxification program, by comorbidity and insomnia symptoms
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