According to foreign medical studies, substance use is closely related to reward sensitivity and sleep patterns. The purpose of this research is to understand the relationship between these three factors, which will help improve medical treatment and overall care for substance misuse in the future. Participants will be randomized into CBTi and sleep education groups, and their substance/ alcohol use, sleep parameters and reward sensitivity will be measured at multiple time points.
The study will invite approximately 154 individuals who have misused alcohol or drugs in the past three months and have symptoms of insomnia to participate. After completing the screening, participants who meet the study criteria will be asked to fill out five additional research questionnaires and take a 15-minute computer-based reward sensitivity test. Participants will then be randomly assigned, in a 1:1 ratio, to one of the following groups: 1. A three-session cognitive behavioral therapy (CBT) group (the first session lasts 60 minutes, with subsequent sessions not exceeding 30 minutes) and two follow-up phone calls (each lasting around 20 minutes). 2. A three-session sleep education group (the first session lasts 60 minutes, with subsequent sessions not exceeding 30 minutes) and two follow-up phone calls (each lasting around 20 minutes). All participants will be invited to complete additional research questionnaires and computer-based tests in the 4th and 8th weeks after the group sessions begin.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
154
Cognitive Behavioral Therapy for Insomnia (CBT-I) is a first-line, non-medication treatment for insomnia that helps individuals identify and change the thoughts and behaviors that contribute to their sleep problems.
Sleep Education group comprises psychoeducation sessions on sleep hygiene.
Insomnia Severity Index
Time frame: From enrollment to the end of treatment at 8 weeks
Pittsburgh Sleep Quality Index
Time frame: From enrollment to the end of treatment at 8 weeks
Drug Use Disorders Identification Test
Time frame: From enrollment to the end of treatment at 8 weeks
Alcohol Use Disorders Identification Test
Time frame: From enrollment to the end of treatment at 8 weeks
Sensitivity to Reward Scales from Sensitivity to Reward and Sensitivity to Punishment Questionnaire
Scores ranges from 0 to 48. Higher scores indicate greater sensitivity to reward, suggesting an increased behavioral tendency toward reward-seeking stimuli.
Time frame: From enrollment to the end of treatment at 8 weeks
Computerized Iowa Gambling Task
Time frame: From enrollment to the end of treatment at 8 weeks
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