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Sleep, Chronotype, and Prosocial Allocation Decisions

Study acronym: SCPAD
StatusRecruiting
PhaseNot specified
Started
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Record History

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  1. Recruitment opened Show 6 more changesShow less
    • Study sites: 1 to 2
    • Primary and study completion dates: Jun 2028 to Jun 30, 2028
    • Start date changed from estimate of Jul 2026 to Jul 1, 2026
    • Eligibility criteria expanded, about 10 words
    • Secondary endpoints: details revised at 2 of 3 entries
    • Publications: details revised at 6 of 6 entries
  2. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
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.
Trial Details
NCT Number NCT07697092
Lead Sponsor The Hong Kong Polytechnic University
Conditions
(from sponsor)		 Sleep Quality, Chronotype, Prosocial Decision-Making, Circadian Timing
Related terms Altruism, Sleep Initiation and Maintenance Disorders
Enrollment 128 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov