An observational study in Adult Women, sponsored by Recep Tayyip Erdogan University. Active, not recruiting at 1 site in Turkey (Türkiye). Open to female participants aged 18 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-07-21.
Sponsored by Recep Tayyip Erdogan University · Observational
Individual differences in reported dream themes may reflect not only waking emotional and cognitive experiences but also characteristic ways of attending to, interpreting, and regulating bodily signals. Associations between interoceptive awareness and dream themes may reflect variance shared with alexithymia, psychological distress, sleep disturbance, and somatic symptoms. This study examined whether six dimensions of subjective interoceptive awareness accounted for incremental variance in dream themes beyond established emotional, sleep-related, and somatic correlates in adult women.
Existing studies have primarily examined nightmares, nightmare distress, dream frequency, subjective sleepiness, or general sleep quality. They have not established whether multidimensional self-reported interoceptive awareness accounts for incremental variance in overall reported dream themes after emotional, sleep-related, somatic, and dream recall-related correlates are considered simultaneously. The present study therefore examined whether six dimensions of subjective interoceptive awareness jointly accounted for incremental variance in overall Dream Themes Scale scores among adult women beyond age, dream recall frequency, chronic disease, menopausal status, anxiety, depressive symptoms, alexithymia, subjective sleep quality, and somatic symptom burden. The primary hypothesis was that the six interoceptive-awareness dimensions would jointly account for a small but detectable increment in explained variance after the covariates had been entered.
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This cross-sectional observational study examines conditional associations between multidimensional subjective interoceptive awareness and self-reported dream themes in community-dwelling women aged 18-65 years.
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Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
This cross-sectional observational study examined conditional associations between multidimensional subjective interoceptive awareness and self-reported dream themes in community-dwelling women aged 18-65 years.
Interoceptive Awareness
Interoceptive awareness was assessed using the Turkish adaptation of the Multidimensional Assessment of Interoceptive Awareness, Version 2. The original MAIA-2 contains 37 items and eight dimensions. In the Turkish validation study, five original items were removed, producing a 32-item, six-factor solution comprising Emotional Awareness, Attention Regulation, Body Listening, Not-Distracting, Trusting, and Not-Worrying. Items are rated from 0 ("never") to 5 ("always"). Each dimension score was calculated as the mean of its constituent items after applying the direction of scoring specified for the administered form. Higher scores indicate a greater level of the tendency represented by the corresponding dimension.
Time frame: At baseline
Dream Themes
The Dream Themes Scale (DTS) is a 29-item Turkish self-report measure assessing the frequency of themes in recalled dreams. Items are rated from 0 ("never") to 4 ("always"). The total score ranges from 0 to 116, with higher scores indicating more frequent endorsement of the assessed dream themes. The original development study identified five correlated dimensions: Negative Themes, Anxiety Themes, Fear Themes, Effects of Waking-Life Experiences, and Frustration Themes. The DTS total score was prespecified as the primary outcome and was used as a descriptive composite reflecting the overall frequency of endorsed dream themes across five related domains. The five DTS subscales were additionally examined as secondary outcomes to evaluate whether the observed associations were domain-specific.
Time frame: At baseline
Emotional, sleep-related, and somatic covariates
Alexithymic characteristics were assessed with the 20-item Toronto Alexithymia Scale and its Turkish adaptation. Total scores range from 20 to 100, with higher values indicating greater alexithymic characteristics. Somatic symptom burden during the preceding four weeks was assessed using the 15-item Patient Health Questionnaire and the Turkish PHQ-SADS validation. Items are rated from 0 to 2 and summed to produce a total score ranging from 0 to 30. Higher scores indicate greater somatic symptom burden. Subjective sleep quality during the preceding month was measured using the Pittsburgh Sleep Quality Index and its Turkish adaptation. Seven component scores are summed to produce a global score ranging from 0 to 21, with higher scores indicating poorer subjective sleep quality.
Time frame: At baseline
Plan to share: No — I do not prefer
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Recep Tayyip Erdogan University