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Screen time, sleep and mood (pilot)Screen time, sleep and mood (pilot)
Not eligible
Admin · EdUHK
Digital life & screen timeHealth & lifestyle
A four-week diary study on evening screen use and sleep quality.
HK$50
Supermarket voucher
01/08/2026 – 31/12/2026
38 spots left
Highlighted topics are ones you picked as interests - that is what the match percentage counts.
Why this study is being run
We want to understand how evening screen use relates to sleep.
Who can join
Adults aged 18-35 living in Hong Kong.
Your reward
The study has not set a payout window.
A completion is verified by the research team; the coupon then appears in your wallet.
You do not meet the criteria for this study. Missing: Age <= 35
Eligibility comes from the details in your profile. If something looks wrong, message the iPAY team.