Sleep, Chronotype, and Prosocial Allocation Decisions
Starting soon
Conditions studied: Sleep Quality, Chronotype, Prosocial Decision-Making, Circadian Timing
In brief
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. The 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.
Key facts
- Study ID
- NCT07697092
- Run by
- The Hong Kong Polytechnic University
- People needed
- 128
- Starts
- 2026-07-01
- Expected to finish
- 2028-06-01
- Last updated by the study team
- 2026-07-13
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: accepted.
You may qualify if…
- Aged 18 years or above.
- Able to provide informed consent.
- Able to understand English or Chinese study materials.
- Able to complete computer-based behavioural tasks and self-report questionnaires.
- Willing to complete a 7-day sleep diary.
You may not qualify if…
- Aged under 18 years.
- Unable to provide informed consent.
- Unable to complete study materials in English or Chinese.
- Prior participation in the same study.
- Self-reported condition or circumstance that would make participation in a brief computer-based decision-making task or sleep-related questionnaires inappropriate or distressing.
Where it is running
- The Hong Kong Polytechnic University — Hung Hom, Kowloon, Hong Kong
Full record on ClinicalTrials.gov
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