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The overall goal of this project is to evaluate the effect of enhanced psychological well-being on sleep quality. This study will demonstrate whether combining an intervention designed to promote psychological well-being with sleep hygiene education improves sleep quality in a non-clinical population of distressed adults reporting poor sleep in the absence of a diagnosed sleep disorder. The investigators expect an intervention combining elements of psychological well-being and sleep hygiene education to result in significant improvements in sleep quality measures from baseline to post-intervention, and greater improvements in sleep quality measures at post-intervention as compared with sleep hygiene education alone.
Psychological distress is often associated with poor sleep quality. The role of psychological well-being has often been neglected and most interventions for sleep improvement have focused primarily on sleep disorders. This approach is limited to those individuals who have specific conditions and little resources have been directed to the promotion of sleep quality in the general population.
This study will be a pilot parallel-arm, randomized controlled trial to assess the baseline associations between psychological well-being and different measures of sleep outcomes, determine the effect of elements of a psychological well-being promoting intervention on sleep quality, and examine effect size estimates of key sleep-related outcomes (duration, efficiency, quality) to provide essential data to inform a main efficacy trial.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Well-Being and Sleep Hygiene | Experimental | Participants in the experimental group will receive an intervention focused on both principles of psychological well-being and sleep hygiene education. |
|
| Sleep Hygiene (Control) | Active Comparator | Participants in the control group will receive sleep hygiene education alone. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Well-Being Intervention | Behavioral | The main aim of the well-being intervention is to reduce levels of distress through the promotion of psychological well-being. Key components of the intervention are self-monitoring of instances of well-being and what leads to their interruption (i.e., thoughts and behaviors), cognitive restructuring of interfering thoughts, and homework assignments to address dysfunctional behaviors and increase exposure to optimal experiences. Participants will become aware of their functioning based on six different dimensions of psychological well-being (i.e., self-acceptance, positive relations with others, autonomy, environmental mastery, purpose in life, and personal growth), and will be guided in finding a balance within each dimension. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in sleep quality: Pittsburgh Sleep Quality Index (PSQI) | Measured by the Pittsburgh Sleep Quality Index (PSQI), a 19-item self-rating scale for the assessment of sleep quality over a 1-month time interval. The PSQI yields 7 component scores and one global score. The component scores consist of subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. Each item is given a score from 0-3. The global score is calculated by summing the seven component scores, providing an overall score ranging from 0-21, where lower scores indicate a higher sleep quality. | Baseline to immediate post-intervention |
| Change in insomnia severity: Insomnia Severity Index (ISI) | Measured by the Insomnia Severity Index (ISI), a 7-item self-rated questionnaire to measure insomnia severity in the past 2 weeks. The total score ranges from 0-28, with higher scores indicating greater severity of insomnia. Scores of 8-14, 15-21, and 22-28 are indicative of subthreshold, moderate, and severe clinical insomnia, respectively. | Baseline to immediate post-intervention |
| Changes in total sleep time | Measured by self-reported sleep diary | Baseline to immediate post-intervention |
| Changes in sleep onset latency | Measured by self-reported sleep diary | Baseline to immediate post-intervention |
| Changes in wake after sleep onset | Measured by self-reported sleep diary | Baseline to immediate post-intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Change in psychological distress | Measured by the Symptom Questionnaire (SQ), a 92-item self-rating scale for the assessment of psychological distress over a 1-week time interval. The SQ yields 4 main scales: anxiety, depression, somatization, and hostility. Each scale can be further divided into 2 sub-scales: one concerned with symptoms (17 items) and the other with well-being (6 items). Answers on each item are dichotomous (i.e., yes/no or true false). Scales and subscales can be scored separately, and the sum of the 4 main scale scores yields a total distress score. A response of yes/true for a symptom item gives 1 point, and a response of no/false for a well-being question gives 1 point for a score ranging from 0-23 for each main scale and 0-17 for each subscale, where a higher score indicates greater distress. If the well-being score is calculated separately the raw score can be subtracted from 6 for a score ranging from 0-6, where a higher score indicates greater well-being. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Marie-Pierre St-Onge, PhD | Columbia University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Columbia University Irving Medical Center | New York | New York | 10032 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 28756825 | Background | Almojali AI, Almalki SA, Alothman AS, Masuadi EM, Alaqeel MK. The prevalence and association of stress with sleep quality among medical students. J Epidemiol Glob Health. 2017 Sep;7(3):169-174. doi: 10.1016/j.jegh.2017.04.005. Epub 2017 May 5. | |
| 28179129 | Background | Bao YP, Han Y, Ma J, Wang RJ, Shi L, Wang TY, He J, Yue JL, Shi J, Tang XD, Lu L. Cooccurrence and bidirectional prediction of sleep disturbances and depression in older adults: Meta-analysis and systematic review. Neurosci Biobehav Rev. 2017 Apr;75:257-273. doi: 10.1016/j.neubiorev.2017.01.032. Epub 2017 Feb 6. |
| Label | URL |
|---|---|
| American Academy of Sleep Medicine | View source |
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Investigators can request de-identified data after the primary outcomes of this research project are published. Requests should be made in writing to the PI.
12 months after the completion of the study.
Request data in writing by contacting the PI.
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| ID | Term |
|---|---|
| D007319 | Sleep Initiation and Maintenance Disorders |
| D000092862 | Psychological Well-Being |
| D000070263 | Sleep Hygiene |
| ID | Term |
|---|---|
| D020919 | Sleep Disorders, Intrinsic |
| D020920 | Dyssomnias |
| D012893 | Sleep Wake Disorders |
| D009422 | Nervous System Diseases |
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|
| Sleep Hygiene | Behavioral | The main aim of sleep hygiene education is to provide participants with a set of behavioral and environmental recommendations intended to promote healthy sleep. During the intervention, participants will become aware of their own sleep patterns, will learn about healthy sleep habits, and will be encouraged to follow a set of recommendations to improve their sleep. Key components of the intervention are sleep hygiene and education. |
|
| Baseline to immediate post-intervention |
| Change in psychological well-being | Measured by the Psychological Well-being scale, a 42-item self-rating scale for the assessment of 6 dimensions of psychological well-being: self-acceptance, positive relations with others, autonomy, environmental mastery, purpose in life, and personal growth. Each of the 42 six-point response items are given a score from 1-6, with questions phrased in the negative reversed (e.g., 1 to 6, 6 to 1). The total score in each dimension ranges from 7-42, and all the dimensions scores are summed to give a final total ranging from 42-252, with higher scores indicating greater psychological well-being. | Baseline to immediate post-intervention |
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| National Sleep Foundation | View source |
| National Institute of Health | View source |
| D001523 |
| Mental Disorders |
| D010549 | Personal Satisfaction |
| D001519 | Behavior |
| D015438 | Health Behavior |