[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100054162":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":10,"centralContacts":19,"locations":29,"responsibleParty":47,"collaborators":10,"id":51,"slug":52,"hasResults":53,"nctId":54,"briefTitle":55,"officialTitle":56,"acronym":57,"eligibilityCriteria":58,"healthyVolunteers":59,"sex":60,"minAge":61,"maxAge":10,"enrollmentInfo":62,"targetDuration":10,"studyType":65,"phases":10,"briefSummary":66,"conditions":67,"keywords":72,"overallStatus":79,"whyStopped":10,"lastUpdateSubmitDate":80,"lastUpdatePostDateStruct":81,"startDateStruct":84,"completionDateStruct":86,"leadSponsor":88,"locationsCount":89},{"fullName":5,"class":6},"The Hong Kong Polytechnic University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Adult Participants",null,"Adults aged 18 years or above who provide informed consent and complete sleep-related self-report measures, a 7-day sleep diary, and a computer-based prosocial allocation task. Participants are not assigned to any sleep manipulation, treatment, or intervention. Sleep quality, sleep timing, chronotype, and prosocial allocation behaviour are measured as naturally occurring individual differences.",[13],"Other: Sleep, Circadian, and Prosocial Allocation Assessment",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"Sleep, Circadian, and Prosocial Allocation Assessment","Participants complete non-diagnostic sleep and circadian self-report measures, including the Pittsburgh Sleep Quality Index, the Munich Chronotype Questionnaire, and a 7-day sleep diary, followed by a brief computer-based Dictator Game allocation task. This is an observational assessment procedure only. Participants are not assigned to a treatment, sleep manipulation, sleep deprivation, sleep restriction, or behaviour-change intervention.",[9],[20,25],{"name":21,"role":22,"phone":23,"phoneExt":10,"email":24},"Cehao Yu, PhD","CONTACT","+852 3400 3012","cehao.yu@polyu.edu.hk",{"name":26,"role":22,"phone":27,"phoneExt":10,"email":28},"Junkai Che, Master","+852 9783 8643","junkai.che@connect.polyu.hk",[30],{"facility":5,"status":10,"city":31,"state":32,"zip":10,"country":33,"countryCode":34,"cosmosGeoPoint":35,"geoPoint":40,"contacts":41},"Hung Hom","Kowloon","Hong Kong","HK",{"type":36,"coordinates":37},"Point",[38,39],114.18532,22.30715,{"lat":39,"lon":38},[42,43,44],{"name":21,"role":22,"phone":23,"phoneExt":10,"email":24},{"name":26,"role":22,"phone":27,"phoneExt":10,"email":28},{"name":45,"role":46,"phone":10,"phoneExt":10,"email":10},"Bryant HUI, PhD","SUB_INVESTIGATOR",{"type":48,"investigatorFullName":49,"investigatorTitle":50,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Dr YU Cehao","Research Assistant Professor","100054162","sleep-chronotype-and-prosocial-allocation-decisions-100054162",false,"NCT07697092","Sleep, Chronotype, and Prosocial Allocation Decisions","Associations Between Sleep Quality, Circadian Timing, and Prosocial Allocation Decisions in Adults","SCPAD","Inclusion Criteria:\n\n* Aged 18 years or above.\n* Able to provide informed consent.\n* Able to understand English or Chinese study materials.\n* Able to complete computer-based behavioural tasks and self-report questionnaires.\n* Willing to complete a 7-day sleep diary.\n\nExclusion Criteria:\n\n* Aged under 18 years.\n* Unable to provide informed consent.\n* Unable to complete study materials in English or Chinese.\n* Prior participation in the same study.\n* Self-reported condition or circumstance that would make participation in a brief computer-based decision-making task or sleep-related questionnaires inappropriate or distressing.",true,"ALL","18 Years",{"count":63,"type":64},128,"ESTIMATED","OBSERVATIONAL","This observational behavioural study examines whether individual differences in sleep quality, sleep timing, and chronotype are associated with prosocial allocation decisions in adults. Participants will complete self-report sleep and circadian questionnaires, including the Pittsburgh Sleep Quality Index and the Munich Chronotype Questionnaire, a 7-day sleep diary, and a brief computer-based Dictator Game allocation task.\n\nThe study does not involve sleep deprivation, sleep restriction, treatment, clinical diagnosis, medication, or medical devices. Participants will not be asked to change their sleep schedule. The Dictator Game decisions are hypothetical and do not affect participants' compensation. The study is intended to describe associations between naturally occurring sleep-related individual differences and behavioural allocation choices, not to diagnose or treat sleep or mental health conditions.",[68,69,70,71],"Sleep Quality","Chronotype","Prosocial Decision-Making","Circadian Timing",[68,69,71,73,74,75,76,77,70,78],"Pittsburgh Sleep Quality Index","Munich Chronotype Questionnaire","Sleep Diary","Dictator Game","Prosocial Behavior","Allocation Decisions","NOT_YET_RECRUITING","2026-07-06",{"date":82,"type":83},"2026-07-13","ACTUAL",{"date":85,"type":64},"2026-07",{"date":87,"type":64},"2028-06",{"name":5,"class":6},1]